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Finding the Fourth Proportional to 15,000.09, 22,503.30 and 5,640.18

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Solution

The fourth proportional to 15,000.09, 22,503.30 and 5,640.18 is: 8,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.09 : 22,503.30 = 5,640.18 : x
  2. Step 2: Convert to fraction form
    15,000.09/22,503.30 = 5,640.18/x
  3. Step 3: Cross multiply
    15,000.09x = 22,503.30 × 5,640.18
  4. Step 4: Simplify right side
    15,000.09x = 126,922,662.59
  5. Step 5: Solve for x
    x = 126,922,662.59/15,000.09
  6. Step 6: Final answer
    x = 8,461.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.