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Finding the Fourth Proportional to 19,335.52, 28,952.84 and 10,552.28

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Solution

The fourth proportional to 19,335.52, 28,952.84 and 10,552.28 is: 15,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.52 : 28,952.84 = 10,552.28 : x
  2. Step 2: Convert to fraction form
    19,335.52/28,952.84 = 10,552.28/x
  3. Step 3: Cross multiply
    19,335.52x = 28,952.84 × 10,552.28
  4. Step 4: Simplify right side
    19,335.52x = 305,518,474.48
  5. Step 5: Solve for x
    x = 305,518,474.48/19,335.52
  6. Step 6: Final answer
    x = 15,800.89

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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.