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Finding the Fourth Proportional to 38,981.04, 58,471.05 and 9,398.64

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Solution

The fourth proportional to 38,981.04, 58,471.05 and 9,398.64 is: 14,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.04 : 58,471.05 = 9,398.64 : x
  2. Step 2: Convert to fraction form
    38,981.04/58,471.05 = 9,398.64/x
  3. Step 3: Cross multiply
    38,981.04x = 58,471.05 × 9,398.64
  4. Step 4: Simplify right side
    38,981.04x = 549,548,222.12
  5. Step 5: Solve for x
    x = 549,548,222.12/38,981.04
  6. Step 6: Final answer
    x = 14,097.83

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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.