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Finding the Fourth Proportional to 52,596, 72,582.48 and 30,240

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Solution

The fourth proportional to 52,596, 72,582.48 and 30,240 is: 41,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,596 : 72,582.48 = 30,240 : x
  2. Step 2: Convert to fraction form
    52,596/72,582.48 = 30,240/x
  3. Step 3: Cross multiply
    52,596x = 72,582.48 × 30,240
  4. Step 4: Simplify right side
    52,596x = 2,194,894,195.20
  5. Step 5: Solve for x
    x = 2,194,894,195.20/52,596
  6. Step 6: Final answer
    x = 41,731.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.