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Finding the Fourth Proportional to 8,014.32, 11,060.78 and 4,868.68

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Solution

The fourth proportional to 8,014.32, 11,060.78 and 4,868.68 is: 6,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.32 : 11,060.78 = 4,868.68 : x
  2. Step 2: Convert to fraction form
    8,014.32/11,060.78 = 4,868.68/x
  3. Step 3: Cross multiply
    8,014.32x = 11,060.78 × 4,868.68
  4. Step 4: Simplify right side
    8,014.32x = 53,851,398.37
  5. Step 5: Solve for x
    x = 53,851,398.37/8,014.32
  6. Step 6: Final answer
    x = 6,719.40

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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.