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Finding the Fourth Proportional to 52,482.92, 72,424.32 and 28,609.10

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Solution

The fourth proportional to 52,482.92, 72,424.32 and 28,609.10 is: 39,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,482.92 : 72,424.32 = 28,609.10 : x
  2. Step 2: Convert to fraction form
    52,482.92/72,424.32 = 28,609.10/x
  3. Step 3: Cross multiply
    52,482.92x = 72,424.32 × 28,609.10
  4. Step 4: Simplify right side
    52,482.92x = 2,071,994,613.31
  5. Step 5: Solve for x
    x = 2,071,994,613.31/52,482.92
  6. Step 6: Final answer
    x = 39,479.41

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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.