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Finding the Fourth Proportional to 8,060.32, 11,126 and 4,875.40

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Solution

The fourth proportional to 8,060.32, 11,126 and 4,875.40 is: 6,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.32 : 11,126 = 4,875.40 : x
  2. Step 2: Convert to fraction form
    8,060.32/11,126 = 4,875.40/x
  3. Step 3: Cross multiply
    8,060.32x = 11,126 × 4,875.40
  4. Step 4: Simplify right side
    8,060.32x = 54,243,700.40
  5. Step 5: Solve for x
    x = 54,243,700.40/8,060.32
  6. Step 6: Final answer
    x = 6,729.72

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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.