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Finding the Fourth Proportional to 26,953.80, 40,432.80 and 7,232.16

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Solution

The fourth proportional to 26,953.80, 40,432.80 and 7,232.16 is: 10,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,953.80 : 40,432.80 = 7,232.16 : x
  2. Step 2: Convert to fraction form
    26,953.80/40,432.80 = 7,232.16/x
  3. Step 3: Cross multiply
    26,953.80x = 40,432.80 × 7,232.16
  4. Step 4: Simplify right side
    26,953.80x = 292,416,478.85
  5. Step 5: Solve for x
    x = 292,416,478.85/26,953.80
  6. Step 6: Final answer
    x = 10,848.80

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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.