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Finding the Fourth Proportional to 35,477.84, 53,201.36 and 18,834.24

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Solution

The fourth proportional to 35,477.84, 53,201.36 and 18,834.24 is: 28,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.84 : 53,201.36 = 18,834.24 : x
  2. Step 2: Convert to fraction form
    35,477.84/53,201.36 = 18,834.24/x
  3. Step 3: Cross multiply
    35,477.84x = 53,201.36 × 18,834.24
  4. Step 4: Simplify right side
    35,477.84x = 1,002,007,182.57
  5. Step 5: Solve for x
    x = 1,002,007,182.57/35,477.84
  6. Step 6: Final answer
    x = 28,243.18

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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.