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Finding the Fourth Proportional to 64,998.90, 97,498.35 and 25,557.30

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Solution

The fourth proportional to 64,998.90, 97,498.35 and 25,557.30 is: 38,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,998.90 : 97,498.35 = 25,557.30 : x
  2. Step 2: Convert to fraction form
    64,998.90/97,498.35 = 25,557.30/x
  3. Step 3: Cross multiply
    64,998.90x = 97,498.35 × 25,557.30
  4. Step 4: Simplify right side
    64,998.90x = 2,491,794,580.46
  5. Step 5: Solve for x
    x = 2,491,794,580.46/64,998.90
  6. Step 6: Final answer
    x = 38,335.95

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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.