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Finding the Fourth Proportional to 19,299.26, 28,903.52 and 9,407.54

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Solution

The fourth proportional to 19,299.26, 28,903.52 and 9,407.54 is: 14,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.26 : 28,903.52 = 9,407.54 : x
  2. Step 2: Convert to fraction form
    19,299.26/28,903.52 = 9,407.54/x
  3. Step 3: Cross multiply
    19,299.26x = 28,903.52 × 9,407.54
  4. Step 4: Simplify right side
    19,299.26x = 271,911,020.54
  5. Step 5: Solve for x
    x = 271,911,020.54/19,299.26
  6. Step 6: Final answer
    x = 14,089.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.