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Finding the Fourth Proportional to 77,523.50, 106,994.12 and 47,326.39

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Solution

The fourth proportional to 77,523.50, 106,994.12 and 47,326.39 is: 65,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523.50 : 106,994.12 = 47,326.39 : x
  2. Step 2: Convert to fraction form
    77,523.50/106,994.12 = 47,326.39/x
  3. Step 3: Cross multiply
    77,523.50x = 106,994.12 × 47,326.39
  4. Step 4: Simplify right side
    77,523.50x = 5,063,644,946.71
  5. Step 5: Solve for x
    x = 5,063,644,946.71/77,523.50
  6. Step 6: Final answer
    x = 65,317.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.