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Finding the Fourth Proportional to 60,992.40, 91,488.60 and 43,277.70

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Solution

The fourth proportional to 60,992.40, 91,488.60 and 43,277.70 is: 64,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,992.40 : 91,488.60 = 43,277.70 : x
  2. Step 2: Convert to fraction form
    60,992.40/91,488.60 = 43,277.70/x
  3. Step 3: Cross multiply
    60,992.40x = 91,488.60 × 43,277.70
  4. Step 4: Simplify right side
    60,992.40x = 3,959,416,184.22
  5. Step 5: Solve for x
    x = 3,959,416,184.22/60,992.40
  6. Step 6: Final answer
    x = 64,916.55

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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.