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Finding the Fourth Proportional to 61,035.53, 91,552.62 and 21,583.42

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Solution

The fourth proportional to 61,035.53, 91,552.62 and 21,583.42 is: 32,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,035.53 : 91,552.62 = 21,583.42 : x
  2. Step 2: Convert to fraction form
    61,035.53/91,552.62 = 21,583.42/x
  3. Step 3: Cross multiply
    61,035.53x = 91,552.62 × 21,583.42
  4. Step 4: Simplify right side
    61,035.53x = 1,976,018,649.56
  5. Step 5: Solve for x
    x = 1,976,018,649.56/61,035.53
  6. Step 6: Final answer
    x = 32,374.89

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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.