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Finding the Fourth Proportional to 27,373.88, 37,779.33 and 15,437

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Solution

The fourth proportional to 27,373.88, 37,779.33 and 15,437 is: 21,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,373.88 : 37,779.33 = 15,437 : x
  2. Step 2: Convert to fraction form
    27,373.88/37,779.33 = 15,437/x
  3. Step 3: Cross multiply
    27,373.88x = 37,779.33 × 15,437
  4. Step 4: Simplify right side
    27,373.88x = 583,199,517.21
  5. Step 5: Solve for x
    x = 583,199,517.21/27,373.88
  6. Step 6: Final answer
    x = 21,304.96

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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.