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Finding the Fourth Proportional to 25,793.93, 35,603.01 and 15,189.72

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Solution

The fourth proportional to 25,793.93, 35,603.01 and 15,189.72 is: 20,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.93 : 35,603.01 = 15,189.72 : x
  2. Step 2: Convert to fraction form
    25,793.93/35,603.01 = 15,189.72/x
  3. Step 3: Cross multiply
    25,793.93x = 35,603.01 × 15,189.72
  4. Step 4: Simplify right side
    25,793.93x = 540,799,753.06
  5. Step 5: Solve for x
    x = 540,799,753.06/25,793.93
  6. Step 6: Final answer
    x = 20,966.16

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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.