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Finding the Fourth Proportional to 40,465.76, 60,698.88 and 22,114.40

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Solution

The fourth proportional to 40,465.76, 60,698.88 and 22,114.40 is: 33,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.76 : 60,698.88 = 22,114.40 : x
  2. Step 2: Convert to fraction form
    40,465.76/60,698.88 = 22,114.40/x
  3. Step 3: Cross multiply
    40,465.76x = 60,698.88 × 22,114.40
  4. Step 4: Simplify right side
    40,465.76x = 1,342,319,311.87
  5. Step 5: Solve for x
    x = 1,342,319,311.87/40,465.76
  6. Step 6: Final answer
    x = 33,171.73

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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.