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Finding the Fourth Proportional to 8,663.16, 12,983.58 and 6,322.98

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Solution

The fourth proportional to 8,663.16, 12,983.58 and 6,322.98 is: 9,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.16 : 12,983.58 = 6,322.98 : x
  2. Step 2: Convert to fraction form
    8,663.16/12,983.58 = 6,322.98/x
  3. Step 3: Cross multiply
    8,663.16x = 12,983.58 × 6,322.98
  4. Step 4: Simplify right side
    8,663.16x = 82,094,916.67
  5. Step 5: Solve for x
    x = 82,094,916.67/8,663.16
  6. Step 6: Final answer
    x = 9,476.32

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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.