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Finding the Fourth Proportional to 59,582.40, 89,276.40 and 51,223.20

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Solution

The fourth proportional to 59,582.40, 89,276.40 and 51,223.20 is: 76,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,582.40 : 89,276.40 = 51,223.20 : x
  2. Step 2: Convert to fraction form
    59,582.40/89,276.40 = 51,223.20/x
  3. Step 3: Cross multiply
    59,582.40x = 89,276.40 × 51,223.20
  4. Step 4: Simplify right side
    59,582.40x = 4,573,022,892.48
  5. Step 5: Solve for x
    x = 4,573,022,892.48/59,582.40
  6. Step 6: Final answer
    x = 76,751.24

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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.