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Finding the Fourth Proportional to 52,356.60, 72,251.30 and 28,482.72

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Solution

The fourth proportional to 52,356.60, 72,251.30 and 28,482.72 is: 39,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,356.60 : 72,251.30 = 28,482.72 : x
  2. Step 2: Convert to fraction form
    52,356.60/72,251.30 = 28,482.72/x
  3. Step 3: Cross multiply
    52,356.60x = 72,251.30 × 28,482.72
  4. Step 4: Simplify right side
    52,356.60x = 2,057,913,405.12
  5. Step 5: Solve for x
    x = 2,057,913,405.12/52,356.60
  6. Step 6: Final answer
    x = 39,305.71

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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.