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Finding the Fourth Proportional to 34,551.93, 47,679.69 and 19,445.22

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Solution

The fourth proportional to 34,551.93, 47,679.69 and 19,445.22 is: 26,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,551.93 : 47,679.69 = 19,445.22 : x
  2. Step 2: Convert to fraction form
    34,551.93/47,679.69 = 19,445.22/x
  3. Step 3: Cross multiply
    34,551.93x = 47,679.69 × 19,445.22
  4. Step 4: Simplify right side
    34,551.93x = 927,142,061.58
  5. Step 5: Solve for x
    x = 927,142,061.58/34,551.93
  6. Step 6: Final answer
    x = 26,833.29

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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.