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Finding the Fourth Proportional to 1,787, 2,466.06 and 1,088.24

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Solution

The fourth proportional to 1,787, 2,466.06 and 1,088.24 is: 1,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787 : 2,466.06 = 1,088.24 : x
  2. Step 2: Convert to fraction form
    1,787/2,466.06 = 1,088.24/x
  3. Step 3: Cross multiply
    1,787x = 2,466.06 × 1,088.24
  4. Step 4: Simplify right side
    1,787x = 2,683,665.13
  5. Step 5: Solve for x
    x = 2,683,665.13/1,787
  6. Step 6: Final answer
    x = 1,501.77

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Why These Related Problems?

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