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Finding the Fourth Proportional to 71,189.10, 106,752.66 and 37,901.74

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Solution

The fourth proportional to 71,189.10, 106,752.66 and 37,901.74 is: 56,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189.10 : 106,752.66 = 37,901.74 : x
  2. Step 2: Convert to fraction form
    71,189.10/106,752.66 = 37,901.74/x
  3. Step 3: Cross multiply
    71,189.10x = 106,752.66 × 37,901.74
  4. Step 4: Simplify right side
    71,189.10x = 4,046,111,563.63
  5. Step 5: Solve for x
    x = 4,046,111,563.63/71,189.10
  6. Step 6: Final answer
    x = 56,836.11

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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.