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Finding the Fourth Proportional to 66,349.93, 91,565.49 and 37,672.26

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Solution

The fourth proportional to 66,349.93, 91,565.49 and 37,672.26 is: 51,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,349.93 : 91,565.49 = 37,672.26 : x
  2. Step 2: Convert to fraction form
    66,349.93/91,565.49 = 37,672.26/x
  3. Step 3: Cross multiply
    66,349.93x = 91,565.49 × 37,672.26
  4. Step 4: Simplify right side
    66,349.93x = 3,449,478,488.48
  5. Step 5: Solve for x
    x = 3,449,478,488.48/66,349.93
  6. Step 6: Final answer
    x = 51,989.18

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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.