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Finding the Fourth Proportional to 6,307.70, 9,461.55 and 5,627.30

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Solution

The fourth proportional to 6,307.70, 9,461.55 and 5,627.30 is: 8,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.70 : 9,461.55 = 5,627.30 : x
  2. Step 2: Convert to fraction form
    6,307.70/9,461.55 = 5,627.30/x
  3. Step 3: Cross multiply
    6,307.70x = 9,461.55 × 5,627.30
  4. Step 4: Simplify right side
    6,307.70x = 53,242,980.32
  5. Step 5: Solve for x
    x = 53,242,980.32/6,307.70
  6. Step 6: Final answer
    x = 8,440.95

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Similar ratio
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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.