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Finding the Fourth Proportional to 13,058.64, 17,996.04 and 9,326.16

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Solution

The fourth proportional to 13,058.64, 17,996.04 and 9,326.16 is: 12,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.64 : 17,996.04 = 9,326.16 : x
  2. Step 2: Convert to fraction form
    13,058.64/17,996.04 = 9,326.16/x
  3. Step 3: Cross multiply
    13,058.64x = 17,996.04 × 9,326.16
  4. Step 4: Simplify right side
    13,058.64x = 167,833,948.41
  5. Step 5: Solve for x
    x = 167,833,948.41/13,058.64
  6. Step 6: Final answer
    x = 12,852.33

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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.