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Finding the Fourth Proportional to 63,182.40, 87,189.43 and 34,887.48

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Solution

The fourth proportional to 63,182.40, 87,189.43 and 34,887.48 is: 48,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,182.40 : 87,189.43 = 34,887.48 : x
  2. Step 2: Convert to fraction form
    63,182.40/87,189.43 = 34,887.48/x
  3. Step 3: Cross multiply
    63,182.40x = 87,189.43 × 34,887.48
  4. Step 4: Simplify right side
    63,182.40x = 3,041,819,495.34
  5. Step 5: Solve for x
    x = 3,041,819,495.34/63,182.40
  6. Step 6: Final answer
    x = 48,143.46

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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.