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Finding the Fourth Proportional to 8,368.61, 12,549.96 and 2,443.91

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Solution

The fourth proportional to 8,368.61, 12,549.96 and 2,443.91 is: 3,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.61 : 12,549.96 = 2,443.91 : x
  2. Step 2: Convert to fraction form
    8,368.61/12,549.96 = 2,443.91/x
  3. Step 3: Cross multiply
    8,368.61x = 12,549.96 × 2,443.91
  4. Step 4: Simplify right side
    8,368.61x = 30,670,909.99
  5. Step 5: Solve for x
    x = 30,670,909.99/8,368.61
  6. Step 6: Final answer
    x = 3,665.00

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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.