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Finding the Fourth Proportional to 60,602.64, 90,763 and 58,500.28

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Solution

The fourth proportional to 60,602.64, 90,763 and 58,500.28 is: 87,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,602.64 : 90,763 = 58,500.28 : x
  2. Step 2: Convert to fraction form
    60,602.64/90,763 = 58,500.28/x
  3. Step 3: Cross multiply
    60,602.64x = 90,763 × 58,500.28
  4. Step 4: Simplify right side
    60,602.64x = 5,309,660,913.64
  5. Step 5: Solve for x
    x = 5,309,660,913.64/60,602.64
  6. Step 6: Final answer
    x = 87,614.35

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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.