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Finding the Fourth Proportional to 62,292.40, 93,438.60 and 57,043.60

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Solution

The fourth proportional to 62,292.40, 93,438.60 and 57,043.60 is: 85,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,292.40 : 93,438.60 = 57,043.60 : x
  2. Step 2: Convert to fraction form
    62,292.40/93,438.60 = 57,043.60/x
  3. Step 3: Cross multiply
    62,292.40x = 93,438.60 × 57,043.60
  4. Step 4: Simplify right side
    62,292.40x = 5,330,074,122.96
  5. Step 5: Solve for x
    x = 5,330,074,122.96/62,292.40
  6. Step 6: Final answer
    x = 85,565.40

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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.