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Finding the Fourth Proportional to 9,798.68, 13,518.36 and 5,548.76

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Solution

The fourth proportional to 9,798.68, 13,518.36 and 5,548.76 is: 7,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.68 : 13,518.36 = 5,548.76 : x
  2. Step 2: Convert to fraction form
    9,798.68/13,518.36 = 5,548.76/x
  3. Step 3: Cross multiply
    9,798.68x = 13,518.36 × 5,548.76
  4. Step 4: Simplify right side
    9,798.68x = 75,010,169.03
  5. Step 5: Solve for x
    x = 75,010,169.03/9,798.68
  6. Step 6: Final answer
    x = 7,655.13

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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.