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Finding the Fourth Proportional to 64,420.38, 96,657.66 and 34,858.62

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Solution

The fourth proportional to 64,420.38, 96,657.66 and 34,858.62 is: 52,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,420.38 : 96,657.66 = 34,858.62 : x
  2. Step 2: Convert to fraction form
    64,420.38/96,657.66 = 34,858.62/x
  3. Step 3: Cross multiply
    64,420.38x = 96,657.66 × 34,858.62
  4. Step 4: Simplify right side
    64,420.38x = 3,369,352,640.03
  5. Step 5: Solve for x
    x = 3,369,352,640.03/64,420.38
  6. Step 6: Final answer
    x = 52,302.59

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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.