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Finding the Fourth Proportional to 8,750.64, 12,061.48 and 6,195.12

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Solution

The fourth proportional to 8,750.64, 12,061.48 and 6,195.12 is: 8,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.64 : 12,061.48 = 6,195.12 : x
  2. Step 2: Convert to fraction form
    8,750.64/12,061.48 = 6,195.12/x
  3. Step 3: Cross multiply
    8,750.64x = 12,061.48 × 6,195.12
  4. Step 4: Simplify right side
    8,750.64x = 74,722,315.98
  5. Step 5: Solve for x
    x = 74,722,315.98/8,750.64
  6. Step 6: Final answer
    x = 8,539.07

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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.