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Finding the Fourth Proportional to 32,031.84, 48,045.96 and 8,656.56

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Solution

The fourth proportional to 32,031.84, 48,045.96 and 8,656.56 is: 12,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,031.84 : 48,045.96 = 8,656.56 : x
  2. Step 2: Convert to fraction form
    32,031.84/48,045.96 = 8,656.56/x
  3. Step 3: Cross multiply
    32,031.84x = 48,045.96 × 8,656.56
  4. Step 4: Simplify right side
    32,031.84x = 415,912,735.50
  5. Step 5: Solve for x
    x = 415,912,735.50/32,031.84
  6. Step 6: Final answer
    x = 12,984.35

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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.