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Finding the Fourth Proportional to 64,398.84, 96,598.26 and 20,028.42

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Solution

The fourth proportional to 64,398.84, 96,598.26 and 20,028.42 is: 30,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398.84 : 96,598.26 = 20,028.42 : x
  2. Step 2: Convert to fraction form
    64,398.84/96,598.26 = 20,028.42/x
  3. Step 3: Cross multiply
    64,398.84x = 96,598.26 × 20,028.42
  4. Step 4: Simplify right side
    64,398.84x = 1,934,710,522.55
  5. Step 5: Solve for x
    x = 1,934,710,522.55/64,398.84
  6. Step 6: Final answer
    x = 30,042.63

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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.