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Finding the Fourth Proportional to 79,017.58, 118,501.70 and 26,414.76

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Solution

The fourth proportional to 79,017.58, 118,501.70 and 26,414.76 is: 39,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,017.58 : 118,501.70 = 26,414.76 : x
  2. Step 2: Convert to fraction form
    79,017.58/118,501.70 = 26,414.76/x
  3. Step 3: Cross multiply
    79,017.58x = 118,501.70 × 26,414.76
  4. Step 4: Simplify right side
    79,017.58x = 3,130,193,965.09
  5. Step 5: Solve for x
    x = 3,130,193,965.09/79,017.58
  6. Step 6: Final answer
    x = 39,613.89

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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.