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Finding the Fourth Proportional to 63,679.37, 87,878.34 and 35,002.17

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Solution

The fourth proportional to 63,679.37, 87,878.34 and 35,002.17 is: 48,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.37 : 87,878.34 = 35,002.17 : x
  2. Step 2: Convert to fraction form
    63,679.37/87,878.34 = 35,002.17/x
  3. Step 3: Cross multiply
    63,679.37x = 87,878.34 × 35,002.17
  4. Step 4: Simplify right side
    63,679.37x = 3,075,932,596.00
  5. Step 5: Solve for x
    x = 3,075,932,596.00/63,679.37
  6. Step 6: Final answer
    x = 48,303.44

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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.