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Finding the Fourth Proportional to 65,258.24, 90,094.56 and 47,336

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Solution

The fourth proportional to 65,258.24, 90,094.56 and 47,336 is: 65,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,258.24 : 90,094.56 = 47,336 : x
  2. Step 2: Convert to fraction form
    65,258.24/90,094.56 = 47,336/x
  3. Step 3: Cross multiply
    65,258.24x = 90,094.56 × 47,336
  4. Step 4: Simplify right side
    65,258.24x = 4,264,716,092.16
  5. Step 5: Solve for x
    x = 4,264,716,092.16/65,258.24
  6. Step 6: Final answer
    x = 65,351.38

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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.