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Finding the Fourth Proportional to 60,866.75, 83,990.66 and 34,005.53

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Solution

The fourth proportional to 60,866.75, 83,990.66 and 34,005.53 is: 46,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,866.75 : 83,990.66 = 34,005.53 : x
  2. Step 2: Convert to fraction form
    60,866.75/83,990.66 = 34,005.53/x
  3. Step 3: Cross multiply
    60,866.75x = 83,990.66 × 34,005.53
  4. Step 4: Simplify right side
    60,866.75x = 2,856,146,948.30
  5. Step 5: Solve for x
    x = 2,856,146,948.30/60,866.75
  6. Step 6: Final answer
    x = 46,924.58

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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.