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Finding the Fourth Proportional to 7,710.53, 10,629.62 and 5,471.60

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Solution

The fourth proportional to 7,710.53, 10,629.62 and 5,471.60 is: 7,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.53 : 10,629.62 = 5,471.60 : x
  2. Step 2: Convert to fraction form
    7,710.53/10,629.62 = 5,471.60/x
  3. Step 3: Cross multiply
    7,710.53x = 10,629.62 × 5,471.60
  4. Step 4: Simplify right side
    7,710.53x = 58,160,989.32
  5. Step 5: Solve for x
    x = 58,160,989.32/7,710.53
  6. Step 6: Final answer
    x = 7,543.06

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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.