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Finding the Fourth Proportional to 35,521.66, 49,019.90 and 19,606.11

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Solution

The fourth proportional to 35,521.66, 49,019.90 and 19,606.11 is: 27,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.66 : 49,019.90 = 19,606.11 : x
  2. Step 2: Convert to fraction form
    35,521.66/49,019.90 = 19,606.11/x
  3. Step 3: Cross multiply
    35,521.66x = 49,019.90 × 19,606.11
  4. Step 4: Simplify right side
    35,521.66x = 961,089,641.98
  5. Step 5: Solve for x
    x = 961,089,641.98/35,521.66
  6. Step 6: Final answer
    x = 27,056.44

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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.