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Finding the Fourth Proportional to 59,720.40, 89,507.88 and 26,402.40

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Solution

The fourth proportional to 59,720.40, 89,507.88 and 26,402.40 is: 39,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,720.40 : 89,507.88 = 26,402.40 : x
  2. Step 2: Convert to fraction form
    59,720.40/89,507.88 = 26,402.40/x
  3. Step 3: Cross multiply
    59,720.40x = 89,507.88 × 26,402.40
  4. Step 4: Simplify right side
    59,720.40x = 2,363,222,850.91
  5. Step 5: Solve for x
    x = 2,363,222,850.91/59,720.40
  6. Step 6: Final answer
    x = 39,571.45

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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.