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Finding the Fourth Proportional to 52,483.64, 72,423.80 and 29,516.90

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Solution

The fourth proportional to 52,483.64, 72,423.80 and 29,516.90 is: 40,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,483.64 : 72,423.80 = 29,516.90 : x
  2. Step 2: Convert to fraction form
    52,483.64/72,423.80 = 29,516.90/x
  3. Step 3: Cross multiply
    52,483.64x = 72,423.80 × 29,516.90
  4. Step 4: Simplify right side
    52,483.64x = 2,137,726,062.22
  5. Step 5: Solve for x
    x = 2,137,726,062.22/52,483.64
  6. Step 6: Final answer
    x = 40,731.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.