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Finding the Fourth Proportional to 67,648.60, 93,354.78 and 37,840.60

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Solution

The fourth proportional to 67,648.60, 93,354.78 and 37,840.60 is: 52,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,648.60 : 93,354.78 = 37,840.60 : x
  2. Step 2: Convert to fraction form
    67,648.60/93,354.78 = 37,840.60/x
  3. Step 3: Cross multiply
    67,648.60x = 93,354.78 × 37,840.60
  4. Step 4: Simplify right side
    67,648.60x = 3,532,600,888.07
  5. Step 5: Solve for x
    x = 3,532,600,888.07/67,648.60
  6. Step 6: Final answer
    x = 52,219.87

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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.