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Finding the Fourth Proportional to 60,648.70, 83,693.40 and 33,789.55

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Solution

The fourth proportional to 60,648.70, 83,693.40 and 33,789.55 is: 46,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,648.70 : 83,693.40 = 33,789.55 : x
  2. Step 2: Convert to fraction form
    60,648.70/83,693.40 = 33,789.55/x
  3. Step 3: Cross multiply
    60,648.70x = 83,693.40 × 33,789.55
  4. Step 4: Simplify right side
    60,648.70x = 2,827,962,323.97
  5. Step 5: Solve for x
    x = 2,827,962,323.97/60,648.70
  6. Step 6: Final answer
    x = 46,628.57

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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.