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Finding the Fourth Proportional to 77,615.24, 116,419.62 and 22,211.24

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Solution

The fourth proportional to 77,615.24, 116,419.62 and 22,211.24 is: 33,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,615.24 : 116,419.62 = 22,211.24 : x
  2. Step 2: Convert to fraction form
    77,615.24/116,419.62 = 22,211.24/x
  3. Step 3: Cross multiply
    77,615.24x = 116,419.62 × 22,211.24
  4. Step 4: Simplify right side
    77,615.24x = 2,585,824,120.53
  5. Step 5: Solve for x
    x = 2,585,824,120.53/77,615.24
  6. Step 6: Final answer
    x = 33,315.93

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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.