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Finding the Fourth Proportional to 26,499.72, 39,724.88 and 8,957.34

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Solution

The fourth proportional to 26,499.72, 39,724.88 and 8,957.34 is: 13,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.72 : 39,724.88 = 8,957.34 : x
  2. Step 2: Convert to fraction form
    26,499.72/39,724.88 = 8,957.34/x
  3. Step 3: Cross multiply
    26,499.72x = 39,724.88 × 8,957.34
  4. Step 4: Simplify right side
    26,499.72x = 355,829,256.62
  5. Step 5: Solve for x
    x = 355,829,256.62/26,499.72
  6. Step 6: Final answer
    x = 13,427.66

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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.