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Finding the Fourth Proportional to 64,582.70, 96,816.65 and 25,130.58

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Solution

The fourth proportional to 64,582.70, 96,816.65 and 25,130.58 is: 37,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.70 : 96,816.65 = 25,130.58 : x
  2. Step 2: Convert to fraction form
    64,582.70/96,816.65 = 25,130.58/x
  3. Step 3: Cross multiply
    64,582.70x = 96,816.65 × 25,130.58
  4. Step 4: Simplify right side
    64,582.70x = 2,433,058,442.50
  5. Step 5: Solve for x
    x = 2,433,058,442.50/64,582.70
  6. Step 6: Final answer
    x = 37,673.54

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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.