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Finding the Fourth Proportional to 74,713.68, 112,070.70 and 22,123.80

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Solution

The fourth proportional to 74,713.68, 112,070.70 and 22,123.80 is: 33,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,713.68 : 112,070.70 = 22,123.80 : x
  2. Step 2: Convert to fraction form
    74,713.68/112,070.70 = 22,123.80/x
  3. Step 3: Cross multiply
    74,713.68x = 112,070.70 × 22,123.80
  4. Step 4: Simplify right side
    74,713.68x = 2,479,429,752.66
  5. Step 5: Solve for x
    x = 2,479,429,752.66/74,713.68
  6. Step 6: Final answer
    x = 33,185.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.