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Finding the Fourth Proportional to 59,402.49, 89,104.86 and 19,421.49

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Solution

The fourth proportional to 59,402.49, 89,104.86 and 19,421.49 is: 29,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,402.49 : 89,104.86 = 19,421.49 : x
  2. Step 2: Convert to fraction form
    59,402.49/89,104.86 = 19,421.49/x
  3. Step 3: Cross multiply
    59,402.49x = 89,104.86 × 19,421.49
  4. Step 4: Simplify right side
    59,402.49x = 1,730,549,147.44
  5. Step 5: Solve for x
    x = 1,730,549,147.44/59,402.49
  6. Step 6: Final answer
    x = 29,132.60

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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.