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Finding the Fourth Proportional to 59,468.47, 89,027.74 and 39,697.99

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Solution

The fourth proportional to 59,468.47, 89,027.74 and 39,697.99 is: 59,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,468.47 : 89,027.74 = 39,697.99 : x
  2. Step 2: Convert to fraction form
    59,468.47/89,027.74 = 39,697.99/x
  3. Step 3: Cross multiply
    59,468.47x = 89,027.74 × 39,697.99
  4. Step 4: Simplify right side
    59,468.47x = 3,534,222,332.24
  5. Step 5: Solve for x
    x = 3,534,222,332.24/59,468.47
  6. Step 6: Final answer
    x = 59,430.19

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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.