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Finding the Fourth Proportional to 63,130.68, 87,120.63 and 34,836.33

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Solution

The fourth proportional to 63,130.68, 87,120.63 and 34,836.33 is: 48,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130.68 : 87,120.63 = 34,836.33 : x
  2. Step 2: Convert to fraction form
    63,130.68/87,120.63 = 34,836.33/x
  3. Step 3: Cross multiply
    63,130.68x = 87,120.63 × 34,836.33
  4. Step 4: Simplify right side
    63,130.68x = 3,034,963,016.49
  5. Step 5: Solve for x
    x = 3,034,963,016.49/63,130.68
  6. Step 6: Final answer
    x = 48,074.30

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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.