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Finding the Fourth Proportional to 67,867.84, 93,658.20 and 37,655.16

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Solution

The fourth proportional to 67,867.84, 93,658.20 and 37,655.16 is: 51,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,867.84 : 93,658.20 = 37,655.16 : x
  2. Step 2: Convert to fraction form
    67,867.84/93,658.20 = 37,655.16/x
  3. Step 3: Cross multiply
    67,867.84x = 93,658.20 × 37,655.16
  4. Step 4: Simplify right side
    67,867.84x = 3,526,714,506.31
  5. Step 5: Solve for x
    x = 3,526,714,506.31/67,867.84
  6. Step 6: Final answer
    x = 51,964.44

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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.