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Finding the Fourth Proportional to 59,539.80, 89,317.63 and 31,461.01

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Solution

The fourth proportional to 59,539.80, 89,317.63 and 31,461.01 is: 47,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,539.80 : 89,317.63 = 31,461.01 : x
  2. Step 2: Convert to fraction form
    59,539.80/89,317.63 = 31,461.01/x
  3. Step 3: Cross multiply
    59,539.80x = 89,317.63 × 31,461.01
  4. Step 4: Simplify right side
    59,539.80x = 2,810,022,666.64
  5. Step 5: Solve for x
    x = 2,810,022,666.64/59,539.80
  6. Step 6: Final answer
    x = 47,195.70

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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.