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Finding the Fourth Proportional to 36,573,715.60, 51,136,017.20 and 36,573,715.60

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Solution

The fourth proportional to 36,573,715.60, 51,136,017.20 and 36,573,715.60 is: 51,136,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573,715.60 : 51,136,017.20 = 36,573,715.60 : x
  2. Step 2: Convert to fraction form
    36,573,715.60/51,136,017.20 = 36,573,715.60/x
  3. Step 3: Cross multiply
    36,573,715.60x = 51,136,017.20 × 36,573,715.60
  4. Step 4: Simplify right side
    36,573,715.60x = 1,870,234,149,989,508.50
  5. Step 5: Solve for x
    x = 1,870,234,149,989,508.50/36,573,715.60
  6. Step 6: Final answer
    x = 51,136,017.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.