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Finding the Fourth Proportional to 38,292.40, 57,438.60 and 35,527.60

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Solution

The fourth proportional to 38,292.40, 57,438.60 and 35,527.60 is: 53,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.40 : 57,438.60 = 35,527.60 : x
  2. Step 2: Convert to fraction form
    38,292.40/57,438.60 = 35,527.60/x
  3. Step 3: Cross multiply
    38,292.40x = 57,438.60 × 35,527.60
  4. Step 4: Simplify right side
    38,292.40x = 2,040,655,605.36
  5. Step 5: Solve for x
    x = 2,040,655,605.36/38,292.40
  6. Step 6: Final answer
    x = 53,291.40

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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.