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Finding the Fourth Proportional to 17,005.78, 25,454.08 and 9,088.50

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Solution

The fourth proportional to 17,005.78, 25,454.08 and 9,088.50 is: 13,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.78 : 25,454.08 = 9,088.50 : x
  2. Step 2: Convert to fraction form
    17,005.78/25,454.08 = 9,088.50/x
  3. Step 3: Cross multiply
    17,005.78x = 25,454.08 × 9,088.50
  4. Step 4: Simplify right side
    17,005.78x = 231,339,512.89
  5. Step 5: Solve for x
    x = 231,339,512.89/17,005.78
  6. Step 6: Final answer
    x = 13,603.58

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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.