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Finding the Fourth Proportional to 91,479.01, 126,224.41 and 52,710.79

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Solution

The fourth proportional to 91,479.01, 126,224.41 and 52,710.79 is: 72,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,479.01 : 126,224.41 = 52,710.79 : x
  2. Step 2: Convert to fraction form
    91,479.01/126,224.41 = 52,710.79/x
  3. Step 3: Cross multiply
    91,479.01x = 126,224.41 × 52,710.79
  4. Step 4: Simplify right side
    91,479.01x = 6,653,388,368.38
  5. Step 5: Solve for x
    x = 6,653,388,368.38/91,479.01
  6. Step 6: Final answer
    x = 72,731.31

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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.