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Finding the Fourth Proportional to 34,352.64, 47,409.51 and 19,245

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Solution

The fourth proportional to 34,352.64, 47,409.51 and 19,245 is: 26,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,352.64 : 47,409.51 = 19,245 : x
  2. Step 2: Convert to fraction form
    34,352.64/47,409.51 = 19,245/x
  3. Step 3: Cross multiply
    34,352.64x = 47,409.51 × 19,245
  4. Step 4: Simplify right side
    34,352.64x = 912,396,019.95
  5. Step 5: Solve for x
    x = 912,396,019.95/34,352.64
  6. Step 6: Final answer
    x = 26,559.71

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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.