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Finding the Fourth Proportional to 63,701.84, 87,901.80 and 36,840.08

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Solution

The fourth proportional to 63,701.84, 87,901.80 and 36,840.08 is: 50,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,701.84 : 87,901.80 = 36,840.08 : x
  2. Step 2: Convert to fraction form
    63,701.84/87,901.80 = 36,840.08/x
  3. Step 3: Cross multiply
    63,701.84x = 87,901.80 × 36,840.08
  4. Step 4: Simplify right side
    63,701.84x = 3,238,309,344.14
  5. Step 5: Solve for x
    x = 3,238,309,344.14/63,701.84
  6. Step 6: Final answer
    x = 50,835.41

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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.