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Finding the Fourth Proportional to 22,058.77, 30,411.29 and 14,972.89

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Solution

The fourth proportional to 22,058.77, 30,411.29 and 14,972.89 is: 20,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,058.77 : 30,411.29 = 14,972.89 : x
  2. Step 2: Convert to fraction form
    22,058.77/30,411.29 = 14,972.89/x
  3. Step 3: Cross multiply
    22,058.77x = 30,411.29 × 14,972.89
  4. Step 4: Simplify right side
    22,058.77x = 455,344,673.01
  5. Step 5: Solve for x
    x = 455,344,673.01/22,058.77
  6. Step 6: Final answer
    x = 20,642.35

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1.5x scale

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.