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Finding the Fourth Proportional to 68,011.46, 93,864.58 and 38,209.22

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Solution

The fourth proportional to 68,011.46, 93,864.58 and 38,209.22 is: 52,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,011.46 : 93,864.58 = 38,209.22 : x
  2. Step 2: Convert to fraction form
    68,011.46/93,864.58 = 38,209.22/x
  3. Step 3: Cross multiply
    68,011.46x = 93,864.58 × 38,209.22
  4. Step 4: Simplify right side
    68,011.46x = 3,586,492,196.38
  5. Step 5: Solve for x
    x = 3,586,492,196.38/68,011.46
  6. Step 6: Final answer
    x = 52,733.65

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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.