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Finding the Fourth Proportional to 58,757.55, 88,110.15 and 18,769.17

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Solution

The fourth proportional to 58,757.55, 88,110.15 and 18,769.17 is: 28,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,757.55 : 88,110.15 = 18,769.17 : x
  2. Step 2: Convert to fraction form
    58,757.55/88,110.15 = 18,769.17/x
  3. Step 3: Cross multiply
    58,757.55x = 88,110.15 × 18,769.17
  4. Step 4: Simplify right side
    58,757.55x = 1,653,754,384.08
  5. Step 5: Solve for x
    x = 1,653,754,384.08/58,757.55
  6. Step 6: Final answer
    x = 28,145.39

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1.5x scale

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.