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Finding the Fourth Proportional to 59,008.60, 88,455.30 and 52,787.80

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Solution

The fourth proportional to 59,008.60, 88,455.30 and 52,787.80 is: 79,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,008.60 : 88,455.30 = 52,787.80 : x
  2. Step 2: Convert to fraction form
    59,008.60/88,455.30 = 52,787.80/x
  3. Step 3: Cross multiply
    59,008.60x = 88,455.30 × 52,787.80
  4. Step 4: Simplify right side
    59,008.60x = 4,669,360,685.34
  5. Step 5: Solve for x
    x = 4,669,360,685.34/59,008.60
  6. Step 6: Final answer
    x = 79,130.17

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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.