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Finding the Fourth Proportional to 16,615.51, 22,929.77 and 9,444.29

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Solution

The fourth proportional to 16,615.51, 22,929.77 and 9,444.29 is: 13,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.51 : 22,929.77 = 9,444.29 : x
  2. Step 2: Convert to fraction form
    16,615.51/22,929.77 = 9,444.29/x
  3. Step 3: Cross multiply
    16,615.51x = 22,929.77 × 9,444.29
  4. Step 4: Simplify right side
    16,615.51x = 216,555,306.48
  5. Step 5: Solve for x
    x = 216,555,306.48/16,615.51
  6. Step 6: Final answer
    x = 13,033.32

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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.