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Finding the Fourth Proportional to 40,482.60, 60,723.90 and 38,927.40

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Solution

The fourth proportional to 40,482.60, 60,723.90 and 38,927.40 is: 58,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.60 : 60,723.90 = 38,927.40 : x
  2. Step 2: Convert to fraction form
    40,482.60/60,723.90 = 38,927.40/x
  3. Step 3: Cross multiply
    40,482.60x = 60,723.90 × 38,927.40
  4. Step 4: Simplify right side
    40,482.60x = 2,363,823,544.86
  5. Step 5: Solve for x
    x = 2,363,823,544.86/40,482.60
  6. Step 6: Final answer
    x = 58,391.10

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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.