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Finding the Fourth Proportional to 60,638.28, 90,822.10 and 46,494.19

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Solution

The fourth proportional to 60,638.28, 90,822.10 and 46,494.19 is: 69,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.28 : 90,822.10 = 46,494.19 : x
  2. Step 2: Convert to fraction form
    60,638.28/90,822.10 = 46,494.19/x
  3. Step 3: Cross multiply
    60,638.28x = 90,822.10 × 46,494.19
  4. Step 4: Simplify right side
    60,638.28x = 4,222,699,973.60
  5. Step 5: Solve for x
    x = 4,222,699,973.60/60,638.28
  6. Step 6: Final answer
    x = 69,637.53

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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.