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Finding the Fourth Proportional to 17,603.53, 26,405.28 and 7,073.55

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Solution

The fourth proportional to 17,603.53, 26,405.28 and 7,073.55 is: 10,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.53 : 26,405.28 = 7,073.55 : x
  2. Step 2: Convert to fraction form
    17,603.53/26,405.28 = 7,073.55/x
  3. Step 3: Cross multiply
    17,603.53x = 26,405.28 × 7,073.55
  4. Step 4: Simplify right side
    17,603.53x = 186,779,068.34
  5. Step 5: Solve for x
    x = 186,779,068.34/17,603.53
  6. Step 6: Final answer
    x = 10,610.32

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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.