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Finding the Fourth Proportional to 6,915.10, 10,410.03 and 6,302.74

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Solution

The fourth proportional to 6,915.10, 10,410.03 and 6,302.74 is: 9,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.10 : 10,410.03 = 6,302.74 : x
  2. Step 2: Convert to fraction form
    6,915.10/10,410.03 = 6,302.74/x
  3. Step 3: Cross multiply
    6,915.10x = 10,410.03 × 6,302.74
  4. Step 4: Simplify right side
    6,915.10x = 65,611,680.97
  5. Step 5: Solve for x
    x = 65,611,680.97/6,915.10
  6. Step 6: Final answer
    x = 9,488.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.