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Finding the Fourth Proportional to 9,329.77, 12,875.99 and 6,967.81

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Solution

The fourth proportional to 9,329.77, 12,875.99 and 6,967.81 is: 9,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.77 : 12,875.99 = 6,967.81 : x
  2. Step 2: Convert to fraction form
    9,329.77/12,875.99 = 6,967.81/x
  3. Step 3: Cross multiply
    9,329.77x = 12,875.99 × 6,967.81
  4. Step 4: Simplify right side
    9,329.77x = 89,717,352.66
  5. Step 5: Solve for x
    x = 89,717,352.66/9,329.77
  6. Step 6: Final answer
    x = 9,616.25

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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.