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Finding the Fourth Proportional to 64,550.70, 96,860.45 and 25,109.10

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Solution

The fourth proportional to 64,550.70, 96,860.45 and 25,109.10 is: 37,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,550.70 : 96,860.45 = 25,109.10 : x
  2. Step 2: Convert to fraction form
    64,550.70/96,860.45 = 25,109.10/x
  3. Step 3: Cross multiply
    64,550.70x = 96,860.45 × 25,109.10
  4. Step 4: Simplify right side
    64,550.70x = 2,432,078,725.10
  5. Step 5: Solve for x
    x = 2,432,078,725.10/64,550.70
  6. Step 6: Final answer
    x = 37,677.03

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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.