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Finding the Fourth Proportional to 48,476.80, 66,931.12 and 37,126.24

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Solution

The fourth proportional to 48,476.80, 66,931.12 and 37,126.24 is: 51,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,476.80 : 66,931.12 = 37,126.24 : x
  2. Step 2: Convert to fraction form
    48,476.80/66,931.12 = 37,126.24/x
  3. Step 3: Cross multiply
    48,476.80x = 66,931.12 × 37,126.24
  4. Step 4: Simplify right side
    48,476.80x = 2,484,900,824.59
  5. Step 5: Solve for x
    x = 2,484,900,824.59/48,476.80
  6. Step 6: Final answer
    x = 51,259.59

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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.