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Finding the Fourth Proportional to 8,014.60, 10,785.15 and 8,014.60

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Solution

The fourth proportional to 8,014.60, 10,785.15 and 8,014.60 is: 10,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.60 : 10,785.15 = 8,014.60 : x
  2. Step 2: Convert to fraction form
    8,014.60/10,785.15 = 8,014.60/x
  3. Step 3: Cross multiply
    8,014.60x = 10,785.15 × 8,014.60
  4. Step 4: Simplify right side
    8,014.60x = 86,438,663.19
  5. Step 5: Solve for x
    x = 86,438,663.19/8,014.60
  6. Step 6: Final answer
    x = 10,785.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.