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Finding the Fourth Proportional to 64,910.30, 97,293.45 and 25,454.30

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Solution

The fourth proportional to 64,910.30, 97,293.45 and 25,454.30 is: 38,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,910.30 : 97,293.45 = 25,454.30 : x
  2. Step 2: Convert to fraction form
    64,910.30/97,293.45 = 25,454.30/x
  3. Step 3: Cross multiply
    64,910.30x = 97,293.45 × 25,454.30
  4. Step 4: Simplify right side
    64,910.30x = 2,476,536,664.34
  5. Step 5: Solve for x
    x = 2,476,536,664.34/64,910.30
  6. Step 6: Final answer
    x = 38,153.22

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1.5x scale

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.