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Finding the Fourth Proportional to 63,164.55, 87,166.53 and 34,869.63

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Solution

The fourth proportional to 63,164.55, 87,166.53 and 34,869.63 is: 48,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,164.55 : 87,166.53 = 34,869.63 : x
  2. Step 2: Convert to fraction form
    63,164.55/87,166.53 = 34,869.63/x
  3. Step 3: Cross multiply
    63,164.55x = 87,166.53 × 34,869.63
  4. Step 4: Simplify right side
    63,164.55x = 3,039,464,649.48
  5. Step 5: Solve for x
    x = 3,039,464,649.48/63,164.55
  6. Step 6: Final answer
    x = 48,119.79

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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.