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Finding the Fourth Proportional to 59,376.40, 89,064.60 and 19,934.80

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Solution

The fourth proportional to 59,376.40, 89,064.60 and 19,934.80 is: 29,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,376.40 : 89,064.60 = 19,934.80 : x
  2. Step 2: Convert to fraction form
    59,376.40/89,064.60 = 19,934.80/x
  3. Step 3: Cross multiply
    59,376.40x = 89,064.60 × 19,934.80
  4. Step 4: Simplify right side
    59,376.40x = 1,775,484,988.08
  5. Step 5: Solve for x
    x = 1,775,484,988.08/59,376.40
  6. Step 6: Final answer
    x = 29,902.20

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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.