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Finding the Fourth Proportional to 77,479.74, 116,275.64 and 27,560.25

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Solution

The fourth proportional to 77,479.74, 116,275.64 and 27,560.25 is: 41,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,479.74 : 116,275.64 = 27,560.25 : x
  2. Step 2: Convert to fraction form
    77,479.74/116,275.64 = 27,560.25/x
  3. Step 3: Cross multiply
    77,479.74x = 116,275.64 × 27,560.25
  4. Step 4: Simplify right side
    77,479.74x = 3,204,585,569.51
  5. Step 5: Solve for x
    x = 3,204,585,569.51/77,479.74
  6. Step 6: Final answer
    x = 41,360.30

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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.