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Finding the Fourth Proportional to 63,638.63, 87,823.13 and 35,346.14

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Solution

The fourth proportional to 63,638.63, 87,823.13 and 35,346.14 is: 48,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,638.63 : 87,823.13 = 35,346.14 : x
  2. Step 2: Convert to fraction form
    63,638.63/87,823.13 = 35,346.14/x
  3. Step 3: Cross multiply
    63,638.63x = 87,823.13 × 35,346.14
  4. Step 4: Simplify right side
    63,638.63x = 3,104,208,032.37
  5. Step 5: Solve for x
    x = 3,104,208,032.37/63,638.63
  6. Step 6: Final answer
    x = 48,778.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.