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Finding the Fourth Proportional to 61,047.48, 84,258.54 and 35,911.32

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Solution

The fourth proportional to 61,047.48, 84,258.54 and 35,911.32 is: 49,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,047.48 : 84,258.54 = 35,911.32 : x
  2. Step 2: Convert to fraction form
    61,047.48/84,258.54 = 35,911.32/x
  3. Step 3: Cross multiply
    61,047.48x = 84,258.54 × 35,911.32
  4. Step 4: Simplify right side
    61,047.48x = 3,025,835,392.67
  5. Step 5: Solve for x
    x = 3,025,835,392.67/61,047.48
  6. Step 6: Final answer
    x = 49,565.28

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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.