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Finding the Fourth Proportional to 55,833.44, 77,053.10 and 31,639.10

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Solution

The fourth proportional to 55,833.44, 77,053.10 and 31,639.10 is: 43,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,833.44 : 77,053.10 = 31,639.10 : x
  2. Step 2: Convert to fraction form
    55,833.44/77,053.10 = 31,639.10/x
  3. Step 3: Cross multiply
    55,833.44x = 77,053.10 × 31,639.10
  4. Step 4: Simplify right side
    55,833.44x = 2,437,890,726.78
  5. Step 5: Solve for x
    x = 2,437,890,726.78/55,833.44
  6. Step 6: Final answer
    x = 43,663.63

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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.