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Finding the Fourth Proportional to 5,572, 8,356.98 and 2,061.46

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Solution

The fourth proportional to 5,572, 8,356.98 and 2,061.46 is: 3,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572 : 8,356.98 = 2,061.46 : x
  2. Step 2: Convert to fraction form
    5,572/8,356.98 = 2,061.46/x
  3. Step 3: Cross multiply
    5,572x = 8,356.98 × 2,061.46
  4. Step 4: Simplify right side
    5,572x = 17,227,579.99
  5. Step 5: Solve for x
    x = 17,227,579.99/5,572
  6. Step 6: Final answer
    x = 3,091.81

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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.