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Finding the Fourth Proportional to 59,160, 88,740 and 15,384

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Solution

The fourth proportional to 59,160, 88,740 and 15,384 is: 23,076

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,160 : 88,740 = 15,384 : x
  2. Step 2: Convert to fraction form
    59,160/88,740 = 15,384/x
  3. Step 3: Cross multiply
    59,160x = 88,740 × 15,384
  4. Step 4: Simplify right side
    59,160x = 1,365,176,160
  5. Step 5: Solve for x
    x = 1,365,176,160/59,160
  6. Step 6: Final answer
    x = 23,076

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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.