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Finding the Fourth Proportional to 60,646.80, 83,691.36 and 33,789.36

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Solution

The fourth proportional to 60,646.80, 83,691.36 and 33,789.36 is: 46,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,646.80 : 83,691.36 = 33,789.36 : x
  2. Step 2: Convert to fraction form
    60,646.80/83,691.36 = 33,789.36/x
  3. Step 3: Cross multiply
    60,646.80x = 83,691.36 × 33,789.36
  4. Step 4: Simplify right side
    60,646.80x = 2,827,877,491.93
  5. Step 5: Solve for x
    x = 2,827,877,491.93/60,646.80
  6. Step 6: Final answer
    x = 46,628.63

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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.