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Finding the Fourth Proportional to 27,294.48, 40,876.11 and 15,572.16

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Solution

The fourth proportional to 27,294.48, 40,876.11 and 15,572.16 is: 23,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.48 : 40,876.11 = 15,572.16 : x
  2. Step 2: Convert to fraction form
    27,294.48/40,876.11 = 15,572.16/x
  3. Step 3: Cross multiply
    27,294.48x = 40,876.11 × 15,572.16
  4. Step 4: Simplify right side
    27,294.48x = 636,529,164.51
  5. Step 5: Solve for x
    x = 636,529,164.51/27,294.48
  6. Step 6: Final answer
    x = 23,320.80

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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.