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Finding the Fourth Proportional to 7,344.48, 10,135.52 and 4,032.48

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Solution

The fourth proportional to 7,344.48, 10,135.52 and 4,032.48 is: 5,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.48 : 10,135.52 = 4,032.48 : x
  2. Step 2: Convert to fraction form
    7,344.48/10,135.52 = 4,032.48/x
  3. Step 3: Cross multiply
    7,344.48x = 10,135.52 × 4,032.48
  4. Step 4: Simplify right side
    7,344.48x = 40,871,281.69
  5. Step 5: Solve for x
    x = 40,871,281.69/7,344.48
  6. Step 6: Final answer
    x = 5,564.90

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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.