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Finding the Fourth Proportional to 5,473.77, 8,210.76 and 1,776

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Solution

The fourth proportional to 5,473.77, 8,210.76 and 1,776 is: 2,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.77 : 8,210.76 = 1,776 : x
  2. Step 2: Convert to fraction form
    5,473.77/8,210.76 = 1,776/x
  3. Step 3: Cross multiply
    5,473.77x = 8,210.76 × 1,776
  4. Step 4: Simplify right side
    5,473.77x = 14,582,309.76
  5. Step 5: Solve for x
    x = 14,582,309.76/5,473.77
  6. Step 6: Final answer
    x = 2,664.03

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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.