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Finding the Fourth Proportional to 34,347.34, 47,398.80 and 19,240.54

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Solution

The fourth proportional to 34,347.34, 47,398.80 and 19,240.54 is: 26,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,347.34 : 47,398.80 = 19,240.54 : x
  2. Step 2: Convert to fraction form
    34,347.34/47,398.80 = 19,240.54/x
  3. Step 3: Cross multiply
    34,347.34x = 47,398.80 × 19,240.54
  4. Step 4: Simplify right side
    34,347.34x = 911,978,507.35
  5. Step 5: Solve for x
    x = 911,978,507.35/34,347.34
  6. Step 6: Final answer
    x = 26,551.65

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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.