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Finding the Fourth Proportional to 34,342.52, 47,393.74 and 19,235.16

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Solution

The fourth proportional to 34,342.52, 47,393.74 and 19,235.16 is: 26,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,342.52 : 47,393.74 = 19,235.16 : x
  2. Step 2: Convert to fraction form
    34,342.52/47,393.74 = 19,235.16/x
  3. Step 3: Cross multiply
    34,342.52x = 47,393.74 × 19,235.16
  4. Step 4: Simplify right side
    34,342.52x = 911,626,171.90
  5. Step 5: Solve for x
    x = 911,626,171.90/34,342.52
  6. Step 6: Final answer
    x = 26,545.12

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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.