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Finding the Fourth Proportional to 74,585.76, 102,925.26 and 42,752.76

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Solution

The fourth proportional to 74,585.76, 102,925.26 and 42,752.76 is: 58,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,585.76 : 102,925.26 = 42,752.76 : x
  2. Step 2: Convert to fraction form
    74,585.76/102,925.26 = 42,752.76/x
  3. Step 3: Cross multiply
    74,585.76x = 102,925.26 × 42,752.76
  4. Step 4: Simplify right side
    74,585.76x = 4,400,338,938.72
  5. Step 5: Solve for x
    x = 4,400,338,938.72/74,585.76
  6. Step 6: Final answer
    x = 58,997.04

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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.