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Finding the Fourth Proportional to 10,732.95, 14,818.32 and 8,748.24

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Solution

The fourth proportional to 10,732.95, 14,818.32 and 8,748.24 is: 12,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,732.95 : 14,818.32 = 8,748.24 : x
  2. Step 2: Convert to fraction form
    10,732.95/14,818.32 = 8,748.24/x
  3. Step 3: Cross multiply
    10,732.95x = 14,818.32 × 8,748.24
  4. Step 4: Simplify right side
    10,732.95x = 129,634,219.76
  5. Step 5: Solve for x
    x = 129,634,219.76/10,732.95
  6. Step 6: Final answer
    x = 12,078.15

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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.