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Finding the Fourth Proportional to 52,446.68, 72,376.22 and 28,573.28

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Solution

The fourth proportional to 52,446.68, 72,376.22 and 28,573.28 is: 39,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,446.68 : 72,376.22 = 28,573.28 : x
  2. Step 2: Convert to fraction form
    52,446.68/72,376.22 = 28,573.28/x
  3. Step 3: Cross multiply
    52,446.68x = 72,376.22 × 28,573.28
  4. Step 4: Simplify right side
    52,446.68x = 2,068,025,999.40
  5. Step 5: Solve for x
    x = 2,068,025,999.40/52,446.68
  6. Step 6: Final answer
    x = 39,431.02

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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.