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Finding the Fourth Proportional to 58,774.71, 81,129.80 and 34,901.21

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Solution

The fourth proportional to 58,774.71, 81,129.80 and 34,901.21 is: 48,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,774.71 : 81,129.80 = 34,901.21 : x
  2. Step 2: Convert to fraction form
    58,774.71/81,129.80 = 34,901.21/x
  3. Step 3: Cross multiply
    58,774.71x = 81,129.80 × 34,901.21
  4. Step 4: Simplify right side
    58,774.71x = 2,831,527,606.90
  5. Step 5: Solve for x
    x = 2,831,527,606.90/58,774.71
  6. Step 6: Final answer
    x = 48,175.95

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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.