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Finding the Fourth Proportional to 2,058.47, 3,088.17 and 888.63

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Solution

The fourth proportional to 2,058.47, 3,088.17 and 888.63 is: 1,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.47 : 3,088.17 = 888.63 : x
  2. Step 2: Convert to fraction form
    2,058.47/3,088.17 = 888.63/x
  3. Step 3: Cross multiply
    2,058.47x = 3,088.17 × 888.63
  4. Step 4: Simplify right side
    2,058.47x = 2,744,240.51
  5. Step 5: Solve for x
    x = 2,744,240.51/2,058.47
  6. Step 6: Final answer
    x = 1,333.15

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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.