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Finding the Fourth Proportional to 77,016.70, 115,525.05 and 24,430.30

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Solution

The fourth proportional to 77,016.70, 115,525.05 and 24,430.30 is: 36,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,016.70 : 115,525.05 = 24,430.30 : x
  2. Step 2: Convert to fraction form
    77,016.70/115,525.05 = 24,430.30/x
  3. Step 3: Cross multiply
    77,016.70x = 115,525.05 × 24,430.30
  4. Step 4: Simplify right side
    77,016.70x = 2,822,311,629.02
  5. Step 5: Solve for x
    x = 2,822,311,629.02/77,016.70
  6. Step 6: Final answer
    x = 36,645.45

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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.