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Finding the Fourth Proportional to 19,059.88, 28,607.70 and 10,301.68

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Solution

The fourth proportional to 19,059.88, 28,607.70 and 10,301.68 is: 15,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.88 : 28,607.70 = 10,301.68 : x
  2. Step 2: Convert to fraction form
    19,059.88/28,607.70 = 10,301.68/x
  3. Step 3: Cross multiply
    19,059.88x = 28,607.70 × 10,301.68
  4. Step 4: Simplify right side
    19,059.88x = 294,707,370.94
  5. Step 5: Solve for x
    x = 294,707,370.94/19,059.88
  6. Step 6: Final answer
    x = 15,462.18

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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.