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Finding the Fourth Proportional to 8,032.86, 12,031.83 and 6,630.48

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Solution

The fourth proportional to 8,032.86, 12,031.83 and 6,630.48 is: 9,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.86 : 12,031.83 = 6,630.48 : x
  2. Step 2: Convert to fraction form
    8,032.86/12,031.83 = 6,630.48/x
  3. Step 3: Cross multiply
    8,032.86x = 12,031.83 × 6,630.48
  4. Step 4: Simplify right side
    8,032.86x = 79,776,808.18
  5. Step 5: Solve for x
    x = 79,776,808.18/8,032.86
  6. Step 6: Final answer
    x = 9,931.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.