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Finding the Fourth Proportional to 74,341.76, 102,602.84 and 47,502.14

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Solution

The fourth proportional to 74,341.76, 102,602.84 and 47,502.14 is: 65,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,341.76 : 102,602.84 = 47,502.14 : x
  2. Step 2: Convert to fraction form
    74,341.76/102,602.84 = 47,502.14/x
  3. Step 3: Cross multiply
    74,341.76x = 102,602.84 × 47,502.14
  4. Step 4: Simplify right side
    74,341.76x = 4,873,853,719.55
  5. Step 5: Solve for x
    x = 4,873,853,719.55/74,341.76
  6. Step 6: Final answer
    x = 65,560.11

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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.