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Finding the Fourth Proportional to 20,037.54, 30,035.12 and 7,552.16

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Solution

The fourth proportional to 20,037.54, 30,035.12 and 7,552.16 is: 11,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.54 : 30,035.12 = 7,552.16 : x
  2. Step 2: Convert to fraction form
    20,037.54/30,035.12 = 7,552.16/x
  3. Step 3: Cross multiply
    20,037.54x = 30,035.12 × 7,552.16
  4. Step 4: Simplify right side
    20,037.54x = 226,830,031.86
  5. Step 5: Solve for x
    x = 226,830,031.86/20,037.54
  6. Step 6: Final answer
    x = 11,320.25

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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.