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Finding the Fourth Proportional to 27,301.92, 40,962.88 and 11,510.92

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Solution

The fourth proportional to 27,301.92, 40,962.88 and 11,510.92 is: 17,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,301.92 : 40,962.88 = 11,510.92 : x
  2. Step 2: Convert to fraction form
    27,301.92/40,962.88 = 11,510.92/x
  3. Step 3: Cross multiply
    27,301.92x = 40,962.88 × 11,510.92
  4. Step 4: Simplify right side
    27,301.92x = 471,520,434.65
  5. Step 5: Solve for x
    x = 471,520,434.65/27,301.92
  6. Step 6: Final answer
    x = 17,270.60

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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.