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Finding the Fourth Proportional to 7,053.55, 9,729.62 and 4,663.54

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Solution

The fourth proportional to 7,053.55, 9,729.62 and 4,663.54 is: 6,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.55 : 9,729.62 = 4,663.54 : x
  2. Step 2: Convert to fraction form
    7,053.55/9,729.62 = 4,663.54/x
  3. Step 3: Cross multiply
    7,053.55x = 9,729.62 × 4,663.54
  4. Step 4: Simplify right side
    7,053.55x = 45,374,478.39
  5. Step 5: Solve for x
    x = 45,374,478.39/7,053.55
  6. Step 6: Final answer
    x = 6,432.86

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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.