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Finding the Fourth Proportional to 40,335.60, 60,508.80 and 14,048.40

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Solution

The fourth proportional to 40,335.60, 60,508.80 and 14,048.40 is: 21,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335.60 : 60,508.80 = 14,048.40 : x
  2. Step 2: Convert to fraction form
    40,335.60/60,508.80 = 14,048.40/x
  3. Step 3: Cross multiply
    40,335.60x = 60,508.80 × 14,048.40
  4. Step 4: Simplify right side
    40,335.60x = 850,051,825.92
  5. Step 5: Solve for x
    x = 850,051,825.92/40,335.60
  6. Step 6: Final answer
    x = 21,074.48

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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.