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Finding the Fourth Proportional to 35,499.66, 48,987.55 and 19,580.94

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Solution

The fourth proportional to 35,499.66, 48,987.55 and 19,580.94 is: 27,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,499.66 : 48,987.55 = 19,580.94 : x
  2. Step 2: Convert to fraction form
    35,499.66/48,987.55 = 19,580.94/x
  3. Step 3: Cross multiply
    35,499.66x = 48,987.55 × 19,580.94
  4. Step 4: Simplify right side
    35,499.66x = 959,222,277.30
  5. Step 5: Solve for x
    x = 959,222,277.30/35,499.66
  6. Step 6: Final answer
    x = 27,020.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.