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Finding the Fourth Proportional to 63,699.48, 87,914.16 and 45,853.56

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Solution

The fourth proportional to 63,699.48, 87,914.16 and 45,853.56 is: 63,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,699.48 : 87,914.16 = 45,853.56 : x
  2. Step 2: Convert to fraction form
    63,699.48/87,914.16 = 45,853.56/x
  3. Step 3: Cross multiply
    63,699.48x = 87,914.16 × 45,853.56
  4. Step 4: Simplify right side
    63,699.48x = 4,031,177,210.41
  5. Step 5: Solve for x
    x = 4,031,177,210.41/63,699.48
  6. Step 6: Final answer
    x = 63,284.30

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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.