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Finding the Fourth Proportional to 59,966.64, 82,655.37 and 42,509.79

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Solution

The fourth proportional to 59,966.64, 82,655.37 and 42,509.79 is: 58,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,966.64 : 82,655.37 = 42,509.79 : x
  2. Step 2: Convert to fraction form
    59,966.64/82,655.37 = 42,509.79/x
  3. Step 3: Cross multiply
    59,966.64x = 82,655.37 × 42,509.79
  4. Step 4: Simplify right side
    59,966.64x = 3,513,662,421.07
  5. Step 5: Solve for x
    x = 3,513,662,421.07/59,966.64
  6. Step 6: Final answer
    x = 58,593.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.