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Finding the Fourth Proportional to 79,335.60, 118,928.72 and 26,708.32

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Solution

The fourth proportional to 79,335.60, 118,928.72 and 26,708.32 is: 40,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,335.60 : 118,928.72 = 26,708.32 : x
  2. Step 2: Convert to fraction form
    79,335.60/118,928.72 = 26,708.32/x
  3. Step 3: Cross multiply
    79,335.60x = 118,928.72 × 26,708.32
  4. Step 4: Simplify right side
    79,335.60x = 3,176,386,310.95
  5. Step 5: Solve for x
    x = 3,176,386,310.95/79,335.60
  6. Step 6: Final answer
    x = 40,037.34

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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.