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Finding the Fourth Proportional to 19,077.52, 28,616.52 and 5,929.60

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Solution

The fourth proportional to 19,077.52, 28,616.52 and 5,929.60 is: 8,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.52 : 28,616.52 = 5,929.60 : x
  2. Step 2: Convert to fraction form
    19,077.52/28,616.52 = 5,929.60/x
  3. Step 3: Cross multiply
    19,077.52x = 28,616.52 × 5,929.60
  4. Step 4: Simplify right side
    19,077.52x = 169,684,516.99
  5. Step 5: Solve for x
    x = 169,684,516.99/19,077.52
  6. Step 6: Final answer
    x = 8,894.47

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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.