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Finding the Fourth Proportional to 63,946.80, 96,035.40 and 46,436.40

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Solution

The fourth proportional to 63,946.80, 96,035.40 and 46,436.40 is: 69,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,946.80 : 96,035.40 = 46,436.40 : x
  2. Step 2: Convert to fraction form
    63,946.80/96,035.40 = 46,436.40/x
  3. Step 3: Cross multiply
    63,946.80x = 96,035.40 × 46,436.40
  4. Step 4: Simplify right side
    63,946.80x = 4,459,538,248.56
  5. Step 5: Solve for x
    x = 4,459,538,248.56/63,946.80
  6. Step 6: Final answer
    x = 69,738.26

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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.