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Finding the Fourth Proportional to 60,618.80, 90,928.20 and 16,252.40

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Solution

The fourth proportional to 60,618.80, 90,928.20 and 16,252.40 is: 24,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,618.80 : 90,928.20 = 16,252.40 : x
  2. Step 2: Convert to fraction form
    60,618.80/90,928.20 = 16,252.40/x
  3. Step 3: Cross multiply
    60,618.80x = 90,928.20 × 16,252.40
  4. Step 4: Simplify right side
    60,618.80x = 1,477,801,477.68
  5. Step 5: Solve for x
    x = 1,477,801,477.68/60,618.80
  6. Step 6: Final answer
    x = 24,378.60

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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.