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Finding the Fourth Proportional to 8,881.92, 13,322.92 and 2,307.64

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Solution

The fourth proportional to 8,881.92, 13,322.92 and 2,307.64 is: 3,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.92 : 13,322.92 = 2,307.64 : x
  2. Step 2: Convert to fraction form
    8,881.92/13,322.92 = 2,307.64/x
  3. Step 3: Cross multiply
    8,881.92x = 13,322.92 × 2,307.64
  4. Step 4: Simplify right side
    8,881.92x = 30,744,503.11
  5. Step 5: Solve for x
    x = 30,744,503.11/8,881.92
  6. Step 6: Final answer
    x = 3,461.47

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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.