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Finding the Fourth Proportional to 19,035.52, 28,550.46 and 7,347.28

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Solution

The fourth proportional to 19,035.52, 28,550.46 and 7,347.28 is: 11,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.52 : 28,550.46 = 7,347.28 : x
  2. Step 2: Convert to fraction form
    19,035.52/28,550.46 = 7,347.28/x
  3. Step 3: Cross multiply
    19,035.52x = 28,550.46 × 7,347.28
  4. Step 4: Simplify right side
    19,035.52x = 209,768,223.75
  5. Step 5: Solve for x
    x = 209,768,223.75/19,035.52
  6. Step 6: Final answer
    x = 11,019.83

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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.