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Finding the Fourth Proportional to 8,885.16, 13,330.10 and 3,953.73

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Solution

The fourth proportional to 8,885.16, 13,330.10 and 3,953.73 is: 5,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.16 : 13,330.10 = 3,953.73 : x
  2. Step 2: Convert to fraction form
    8,885.16/13,330.10 = 3,953.73/x
  3. Step 3: Cross multiply
    8,885.16x = 13,330.10 × 3,953.73
  4. Step 4: Simplify right side
    8,885.16x = 52,703,596.50
  5. Step 5: Solve for x
    x = 52,703,596.50/8,885.16
  6. Step 6: Final answer
    x = 5,931.64

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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.