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Finding the Fourth Proportional to 62,854.40, 94,281.60 and 31,750.40

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Solution

The fourth proportional to 62,854.40, 94,281.60 and 31,750.40 is: 47,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,854.40 : 94,281.60 = 31,750.40 : x
  2. Step 2: Convert to fraction form
    62,854.40/94,281.60 = 31,750.40/x
  3. Step 3: Cross multiply
    62,854.40x = 94,281.60 × 31,750.40
  4. Step 4: Simplify right side
    62,854.40x = 2,993,478,512.64
  5. Step 5: Solve for x
    x = 2,993,478,512.64/62,854.40
  6. Step 6: Final answer
    x = 47,625.60

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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.