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Finding the Fourth Proportional to 27,352, 37,747.92 and 15,254.20

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Solution

The fourth proportional to 27,352, 37,747.92 and 15,254.20 is: 21,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,352 : 37,747.92 = 15,254.20 : x
  2. Step 2: Convert to fraction form
    27,352/37,747.92 = 15,254.20/x
  3. Step 3: Cross multiply
    27,352x = 37,747.92 × 15,254.20
  4. Step 4: Simplify right side
    27,352x = 575,814,321.26
  5. Step 5: Solve for x
    x = 575,814,321.26/27,352
  6. Step 6: Final answer
    x = 21,052.00

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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.