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Finding the Fourth Proportional to 61,572.77, 84,913.73 and 38,872.32

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Solution

The fourth proportional to 61,572.77, 84,913.73 and 38,872.32 is: 53,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572.77 : 84,913.73 = 38,872.32 : x
  2. Step 2: Convert to fraction form
    61,572.77/84,913.73 = 38,872.32/x
  3. Step 3: Cross multiply
    61,572.77x = 84,913.73 × 38,872.32
  4. Step 4: Simplify right side
    61,572.77x = 3,300,794,014.23
  5. Step 5: Solve for x
    x = 3,300,794,014.23/61,572.77
  6. Step 6: Final answer
    x = 53,608.01

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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.