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Finding the Fourth Proportional to 52,603.93, 78,906.19 and 17,543.48

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Solution

The fourth proportional to 52,603.93, 78,906.19 and 17,543.48 is: 26,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,603.93 : 78,906.19 = 17,543.48 : x
  2. Step 2: Convert to fraction form
    52,603.93/78,906.19 = 17,543.48/x
  3. Step 3: Cross multiply
    52,603.93x = 78,906.19 × 17,543.48
  4. Step 4: Simplify right side
    52,603.93x = 1,384,289,166.14
  5. Step 5: Solve for x
    x = 1,384,289,166.14/52,603.93
  6. Step 6: Final answer
    x = 26,315.32

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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.