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Finding the Fourth Proportional to 9,066.40, 12,501.84 and 6,965.92

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Solution

The fourth proportional to 9,066.40, 12,501.84 and 6,965.92 is: 9,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066.40 : 12,501.84 = 6,965.92 : x
  2. Step 2: Convert to fraction form
    9,066.40/12,501.84 = 6,965.92/x
  3. Step 3: Cross multiply
    9,066.40x = 12,501.84 × 6,965.92
  4. Step 4: Simplify right side
    9,066.40x = 87,086,817.29
  5. Step 5: Solve for x
    x = 87,086,817.29/9,066.40
  6. Step 6: Final answer
    x = 9,605.45

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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.