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Finding the Fourth Proportional to 54,672.08, 75,447.74 and 30,799.13

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Solution

The fourth proportional to 54,672.08, 75,447.74 and 30,799.13 is: 42,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.08 : 75,447.74 = 30,799.13 : x
  2. Step 2: Convert to fraction form
    54,672.08/75,447.74 = 30,799.13/x
  3. Step 3: Cross multiply
    54,672.08x = 75,447.74 × 30,799.13
  4. Step 4: Simplify right side
    54,672.08x = 2,323,724,598.47
  5. Step 5: Solve for x
    x = 2,323,724,598.47/54,672.08
  6. Step 6: Final answer
    x = 42,502.95

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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.