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Finding the Fourth Proportional to 25,695.61, 38,543.84 and 9,055.85

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Solution

The fourth proportional to 25,695.61, 38,543.84 and 9,055.85 is: 13,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.61 : 38,543.84 = 9,055.85 : x
  2. Step 2: Convert to fraction form
    25,695.61/38,543.84 = 9,055.85/x
  3. Step 3: Cross multiply
    25,695.61x = 38,543.84 × 9,055.85
  4. Step 4: Simplify right side
    25,695.61x = 349,047,233.46
  5. Step 5: Solve for x
    x = 349,047,233.46/25,695.61
  6. Step 6: Final answer
    x = 13,583.92

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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.