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Finding the Fourth Proportional to 65,927.91, 90,980.91 and 37,248.14

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Solution

The fourth proportional to 65,927.91, 90,980.91 and 37,248.14 is: 51,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,927.91 : 90,980.91 = 37,248.14 : x
  2. Step 2: Convert to fraction form
    65,927.91/90,980.91 = 37,248.14/x
  3. Step 3: Cross multiply
    65,927.91x = 90,980.91 × 37,248.14
  4. Step 4: Simplify right side
    65,927.91x = 3,388,869,720.14
  5. Step 5: Solve for x
    x = 3,388,869,720.14/65,927.91
  6. Step 6: Final answer
    x = 51,402.65

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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.