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Finding the Fourth Proportional to 25,895.67, 35,737.11 and 15,285.30

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Solution

The fourth proportional to 25,895.67, 35,737.11 and 15,285.30 is: 21,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.67 : 35,737.11 = 15,285.30 : x
  2. Step 2: Convert to fraction form
    25,895.67/35,737.11 = 15,285.30/x
  3. Step 3: Cross multiply
    25,895.67x = 35,737.11 × 15,285.30
  4. Step 4: Simplify right side
    25,895.67x = 546,252,447.48
  5. Step 5: Solve for x
    x = 546,252,447.48/25,895.67
  6. Step 6: Final answer
    x = 21,094.35

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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.