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Finding the Fourth Proportional to 63,277.95, 87,320.79 and 36,421.32

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Solution

The fourth proportional to 63,277.95, 87,320.79 and 36,421.32 is: 50,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,277.95 : 87,320.79 = 36,421.32 : x
  2. Step 2: Convert to fraction form
    63,277.95/87,320.79 = 36,421.32/x
  3. Step 3: Cross multiply
    63,277.95x = 87,320.79 × 36,421.32
  4. Step 4: Simplify right side
    63,277.95x = 3,180,338,435.24
  5. Step 5: Solve for x
    x = 3,180,338,435.24/63,277.95
  6. Step 6: Final answer
    x = 50,259.82

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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.