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Finding the Fourth Proportional to 8,460.52, 12,663.18 and 7,652.20

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Solution

The fourth proportional to 8,460.52, 12,663.18 and 7,652.20 is: 11,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.52 : 12,663.18 = 7,652.20 : x
  2. Step 2: Convert to fraction form
    8,460.52/12,663.18 = 7,652.20/x
  3. Step 3: Cross multiply
    8,460.52x = 12,663.18 × 7,652.20
  4. Step 4: Simplify right side
    8,460.52x = 96,901,186.00
  5. Step 5: Solve for x
    x = 96,901,186.00/8,460.52
  6. Step 6: Final answer
    x = 11,453.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.