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Finding the Fourth Proportional to 34,352.58, 47,395.80 and 19,243.20

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Solution

The fourth proportional to 34,352.58, 47,395.80 and 19,243.20 is: 26,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,352.58 : 47,395.80 = 19,243.20 : x
  2. Step 2: Convert to fraction form
    34,352.58/47,395.80 = 19,243.20/x
  3. Step 3: Cross multiply
    34,352.58x = 47,395.80 × 19,243.20
  4. Step 4: Simplify right side
    34,352.58x = 912,046,858.56
  5. Step 5: Solve for x
    x = 912,046,858.56/34,352.58
  6. Step 6: Final answer
    x = 26,549.59

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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.