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Finding the Fourth Proportional to 60,559.60, 90,854.76 and 39,823.60

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Solution

The fourth proportional to 60,559.60, 90,854.76 and 39,823.60 is: 59,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559.60 : 90,854.76 = 39,823.60 : x
  2. Step 2: Convert to fraction form
    60,559.60/90,854.76 = 39,823.60/x
  3. Step 3: Cross multiply
    60,559.60x = 90,854.76 × 39,823.60
  4. Step 4: Simplify right side
    60,559.60x = 3,618,163,620.34
  5. Step 5: Solve for x
    x = 3,618,163,620.34/60,559.60
  6. Step 6: Final answer
    x = 59,745.50

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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.