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Finding the Fourth Proportional to 76,894.80, 115,307.60 and 32,498.70

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Solution

The fourth proportional to 76,894.80, 115,307.60 and 32,498.70 is: 48,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,894.80 : 115,307.60 = 32,498.70 : x
  2. Step 2: Convert to fraction form
    76,894.80/115,307.60 = 32,498.70/x
  3. Step 3: Cross multiply
    76,894.80x = 115,307.60 × 32,498.70
  4. Step 4: Simplify right side
    76,894.80x = 3,747,346,937.63
  5. Step 5: Solve for x
    x = 3,747,346,937.63/76,894.80
  6. Step 6: Final answer
    x = 48,733.42

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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.