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Finding the Fourth Proportional to 9,797.96, 14,681.58 and 8,331.08

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Solution

The fourth proportional to 9,797.96, 14,681.58 and 8,331.08 is: 12,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797.96 : 14,681.58 = 8,331.08 : x
  2. Step 2: Convert to fraction form
    9,797.96/14,681.58 = 8,331.08/x
  3. Step 3: Cross multiply
    9,797.96x = 14,681.58 × 8,331.08
  4. Step 4: Simplify right side
    9,797.96x = 122,313,417.51
  5. Step 5: Solve for x
    x = 122,313,417.51/9,797.96
  6. Step 6: Final answer
    x = 12,483.56

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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.