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Finding the Fourth Proportional to 67,786.80, 93,543.28 and 37,574.88

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Solution

The fourth proportional to 67,786.80, 93,543.28 and 37,574.88 is: 51,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,786.80 : 93,543.28 = 37,574.88 : x
  2. Step 2: Convert to fraction form
    67,786.80/93,543.28 = 37,574.88/x
  3. Step 3: Cross multiply
    67,786.80x = 93,543.28 × 37,574.88
  4. Step 4: Simplify right side
    67,786.80x = 3,514,877,520.81
  5. Step 5: Solve for x
    x = 3,514,877,520.81/67,786.80
  6. Step 6: Final answer
    x = 51,851.95

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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.