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Finding the Fourth Proportional to 73,208.79, 109,824.57 and 25,830.18

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Solution

The fourth proportional to 73,208.79, 109,824.57 and 25,830.18 is: 38,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,208.79 : 109,824.57 = 25,830.18 : x
  2. Step 2: Convert to fraction form
    73,208.79/109,824.57 = 25,830.18/x
  3. Step 3: Cross multiply
    73,208.79x = 109,824.57 × 25,830.18
  4. Step 4: Simplify right side
    73,208.79x = 2,836,788,411.52
  5. Step 5: Solve for x
    x = 2,836,788,411.52/73,208.79
  6. Step 6: Final answer
    x = 38,749.29

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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.