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Finding the Fourth Proportional to 60,276.47, 90,418.47 and 15,903.27

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Solution

The fourth proportional to 60,276.47, 90,418.47 and 15,903.27 is: 23,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,276.47 : 90,418.47 = 15,903.27 : x
  2. Step 2: Convert to fraction form
    60,276.47/90,418.47 = 15,903.27/x
  3. Step 3: Cross multiply
    60,276.47x = 90,418.47 × 15,903.27
  4. Step 4: Simplify right side
    60,276.47x = 1,437,949,301.64
  5. Step 5: Solve for x
    x = 1,437,949,301.64/60,276.47
  6. Step 6: Final answer
    x = 23,855.90

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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.