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Finding the Fourth Proportional to 64,970.91, 97,398.05 and 23,388.75

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Solution

The fourth proportional to 64,970.91, 97,398.05 and 23,388.75 is: 35,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,970.91 : 97,398.05 = 23,388.75 : x
  2. Step 2: Convert to fraction form
    64,970.91/97,398.05 = 23,388.75/x
  3. Step 3: Cross multiply
    64,970.91x = 97,398.05 × 23,388.75
  4. Step 4: Simplify right side
    64,970.91x = 2,278,018,524.99
  5. Step 5: Solve for x
    x = 2,278,018,524.99/64,970.91
  6. Step 6: Final answer
    x = 35,062.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.