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Finding the Fourth Proportional to 77,083.13, 115,600.10 and 24,480.32

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Solution

The fourth proportional to 77,083.13, 115,600.10 and 24,480.32 is: 36,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,083.13 : 115,600.10 = 24,480.32 : x
  2. Step 2: Convert to fraction form
    77,083.13/115,600.10 = 24,480.32/x
  3. Step 3: Cross multiply
    77,083.13x = 115,600.10 × 24,480.32
  4. Step 4: Simplify right side
    77,083.13x = 2,829,926,739.63
  5. Step 5: Solve for x
    x = 2,829,926,739.63/77,083.13
  6. Step 6: Final answer
    x = 36,712.66

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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.