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Finding the Fourth Proportional to 77,883.40, 116,825.10 and 25,298.20

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Solution

The fourth proportional to 77,883.40, 116,825.10 and 25,298.20 is: 37,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,883.40 : 116,825.10 = 25,298.20 : x
  2. Step 2: Convert to fraction form
    77,883.40/116,825.10 = 25,298.20/x
  3. Step 3: Cross multiply
    77,883.40x = 116,825.10 × 25,298.20
  4. Step 4: Simplify right side
    77,883.40x = 2,955,464,744.82
  5. Step 5: Solve for x
    x = 2,955,464,744.82/77,883.40
  6. Step 6: Final answer
    x = 37,947.30

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Similar ratio
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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.