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Finding the Fourth Proportional to 64,445.69, 96,628.82 and 22,315.97

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Solution

The fourth proportional to 64,445.69, 96,628.82 and 22,315.97 is: 33,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,445.69 : 96,628.82 = 22,315.97 : x
  2. Step 2: Convert to fraction form
    64,445.69/96,628.82 = 22,315.97/x
  3. Step 3: Cross multiply
    64,445.69x = 96,628.82 × 22,315.97
  4. Step 4: Simplify right side
    64,445.69x = 2,156,365,253.53
  5. Step 5: Solve for x
    x = 2,156,365,253.53/64,445.69
  6. Step 6: Final answer
    x = 33,460.20

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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.