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Finding the Fourth Proportional to 7,885.88, 10,880.34 and 4,528.52

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Solution

The fourth proportional to 7,885.88, 10,880.34 and 4,528.52 is: 6,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.88 : 10,880.34 = 4,528.52 : x
  2. Step 2: Convert to fraction form
    7,885.88/10,880.34 = 4,528.52/x
  3. Step 3: Cross multiply
    7,885.88x = 10,880.34 × 4,528.52
  4. Step 4: Simplify right side
    7,885.88x = 49,271,837.30
  5. Step 5: Solve for x
    x = 49,271,837.30/7,885.88
  6. Step 6: Final answer
    x = 6,248.11

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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.