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Finding the Fourth Proportional to 58,603.03, 80,872.08 and 31,746.22

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Solution

The fourth proportional to 58,603.03, 80,872.08 and 31,746.22 is: 43,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.03 : 80,872.08 = 31,746.22 : x
  2. Step 2: Convert to fraction form
    58,603.03/80,872.08 = 31,746.22/x
  3. Step 3: Cross multiply
    58,603.03x = 80,872.08 × 31,746.22
  4. Step 4: Simplify right side
    58,603.03x = 2,567,382,843.54
  5. Step 5: Solve for x
    x = 2,567,382,843.54/58,603.03
  6. Step 6: Final answer
    x = 43,809.73

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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.