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Finding the Fourth Proportional to 83,008.64, 114,551.44 and 45,282.88

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Solution

The fourth proportional to 83,008.64, 114,551.44 and 45,282.88 is: 62,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,008.64 : 114,551.44 = 45,282.88 : x
  2. Step 2: Convert to fraction form
    83,008.64/114,551.44 = 45,282.88/x
  3. Step 3: Cross multiply
    83,008.64x = 114,551.44 × 45,282.88
  4. Step 4: Simplify right side
    83,008.64x = 5,187,219,111.35
  5. Step 5: Solve for x
    x = 5,187,219,111.35/83,008.64
  6. Step 6: Final answer
    x = 62,490.11

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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.