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Finding the Fourth Proportional to 35,443.21, 53,175.21 and 10,483.92

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Solution

The fourth proportional to 35,443.21, 53,175.21 and 10,483.92 is: 15,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.21 : 53,175.21 = 10,483.92 : x
  2. Step 2: Convert to fraction form
    35,443.21/53,175.21 = 10,483.92/x
  3. Step 3: Cross multiply
    35,443.21x = 53,175.21 × 10,483.92
  4. Step 4: Simplify right side
    35,443.21x = 557,484,647.62
  5. Step 5: Solve for x
    x = 557,484,647.62/35,443.21
  6. Step 6: Final answer
    x = 15,728.95

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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.