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Finding the Fourth Proportional to 8,966.30, 12,356.42 and 6,576.93

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Solution

The fourth proportional to 8,966.30, 12,356.42 and 6,576.93 is: 9,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.30 : 12,356.42 = 6,576.93 : x
  2. Step 2: Convert to fraction form
    8,966.30/12,356.42 = 6,576.93/x
  3. Step 3: Cross multiply
    8,966.30x = 12,356.42 × 6,576.93
  4. Step 4: Simplify right side
    8,966.30x = 81,267,276.51
  5. Step 5: Solve for x
    x = 81,267,276.51/8,966.30
  6. Step 6: Final answer
    x = 9,063.64

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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.