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Finding the Fourth Proportional to 9,970.44, 13,760.01 and 5,495.10

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Solution

The fourth proportional to 9,970.44, 13,760.01 and 5,495.10 is: 7,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.44 : 13,760.01 = 5,495.10 : x
  2. Step 2: Convert to fraction form
    9,970.44/13,760.01 = 5,495.10/x
  3. Step 3: Cross multiply
    9,970.44x = 13,760.01 × 5,495.10
  4. Step 4: Simplify right side
    9,970.44x = 75,612,630.95
  5. Step 5: Solve for x
    x = 75,612,630.95/9,970.44
  6. Step 6: Final answer
    x = 7,583.68

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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.