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Finding the Fourth Proportional to 58,407.26, 80,603.60 and 35,745.80

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Solution

The fourth proportional to 58,407.26, 80,603.60 and 35,745.80 is: 49,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,407.26 : 80,603.60 = 35,745.80 : x
  2. Step 2: Convert to fraction form
    58,407.26/80,603.60 = 35,745.80/x
  3. Step 3: Cross multiply
    58,407.26x = 80,603.60 × 35,745.80
  4. Step 4: Simplify right side
    58,407.26x = 2,881,239,583.13
  5. Step 5: Solve for x
    x = 2,881,239,583.13/58,407.26
  6. Step 6: Final answer
    x = 49,330.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.