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Finding the Fourth Proportional to 17,888.63, 26,840.52 and 8,999.25

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Solution

The fourth proportional to 17,888.63, 26,840.52 and 8,999.25 is: 13,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.63 : 26,840.52 = 8,999.25 : x
  2. Step 2: Convert to fraction form
    17,888.63/26,840.52 = 8,999.25/x
  3. Step 3: Cross multiply
    17,888.63x = 26,840.52 × 8,999.25
  4. Step 4: Simplify right side
    17,888.63x = 241,544,549.61
  5. Step 5: Solve for x
    x = 241,544,549.61/17,888.63
  6. Step 6: Final answer
    x = 13,502.69

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1.5x scale

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.