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Finding the Fourth Proportional to 7,607.60, 10,514.04 and 7,607.60

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Solution

The fourth proportional to 7,607.60, 10,514.04 and 7,607.60 is: 10,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.60 : 10,514.04 = 7,607.60 : x
  2. Step 2: Convert to fraction form
    7,607.60/10,514.04 = 7,607.60/x
  3. Step 3: Cross multiply
    7,607.60x = 10,514.04 × 7,607.60
  4. Step 4: Simplify right side
    7,607.60x = 79,986,610.70
  5. Step 5: Solve for x
    x = 79,986,610.70/7,607.60
  6. Step 6: Final answer
    x = 10,514.04

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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.