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Finding the Fourth Proportional to 63,604.04, 87,813.90 and 40,951.40

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Solution

The fourth proportional to 63,604.04, 87,813.90 and 40,951.40 is: 56,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,604.04 : 87,813.90 = 40,951.40 : x
  2. Step 2: Convert to fraction form
    63,604.04/87,813.90 = 40,951.40/x
  3. Step 3: Cross multiply
    63,604.04x = 87,813.90 × 40,951.40
  4. Step 4: Simplify right side
    63,604.04x = 3,596,102,144.46
  5. Step 5: Solve for x
    x = 3,596,102,144.46/63,604.04
  6. Step 6: Final answer
    x = 56,538.90

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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.