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Finding the Fourth Proportional to 7,656.12, 10,557.14 and 6,652.53

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Solution

The fourth proportional to 7,656.12, 10,557.14 and 6,652.53 is: 9,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.12 : 10,557.14 = 6,652.53 : x
  2. Step 2: Convert to fraction form
    7,656.12/10,557.14 = 6,652.53/x
  3. Step 3: Cross multiply
    7,656.12x = 10,557.14 × 6,652.53
  4. Step 4: Simplify right side
    7,656.12x = 70,231,657.30
  5. Step 5: Solve for x
    x = 70,231,657.30/7,656.12
  6. Step 6: Final answer
    x = 9,173.27

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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.