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Finding the Fourth Proportional to 10,363.61, 14,290.49 and 7,000.59

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Solution

The fourth proportional to 10,363.61, 14,290.49 and 7,000.59 is: 9,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.61 : 14,290.49 = 7,000.59 : x
  2. Step 2: Convert to fraction form
    10,363.61/14,290.49 = 7,000.59/x
  3. Step 3: Cross multiply
    10,363.61x = 14,290.49 × 7,000.59
  4. Step 4: Simplify right side
    10,363.61x = 100,041,852.10
  5. Step 5: Solve for x
    x = 100,041,852.10/10,363.61
  6. Step 6: Final answer
    x = 9,653.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.