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Finding the Fourth Proportional to 63,408.72, 95,128.86 and 19,036.26

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Solution

The fourth proportional to 63,408.72, 95,128.86 and 19,036.26 is: 28,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,408.72 : 95,128.86 = 19,036.26 : x
  2. Step 2: Convert to fraction form
    63,408.72/95,128.86 = 19,036.26/x
  3. Step 3: Cross multiply
    63,408.72x = 95,128.86 × 19,036.26
  4. Step 4: Simplify right side
    63,408.72x = 1,810,897,712.46
  5. Step 5: Solve for x
    x = 1,810,897,712.46/63,408.72
  6. Step 6: Final answer
    x = 28,559.13

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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.