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Finding the Fourth Proportional to 25,130.88, 34,684.88 and 14,526.66

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Solution

The fourth proportional to 25,130.88, 34,684.88 and 14,526.66 is: 20,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.88 : 34,684.88 = 14,526.66 : x
  2. Step 2: Convert to fraction form
    25,130.88/34,684.88 = 14,526.66/x
  3. Step 3: Cross multiply
    25,130.88x = 34,684.88 × 14,526.66
  4. Step 4: Simplify right side
    25,130.88x = 503,855,458.90
  5. Step 5: Solve for x
    x = 503,855,458.90/25,130.88
  6. Step 6: Final answer
    x = 20,049.26

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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.