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Finding the Fourth Proportional to 35,574.57, 53,355.78 and 11,878.83

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Solution

The fourth proportional to 35,574.57, 53,355.78 and 11,878.83 is: 17,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.57 : 53,355.78 = 11,878.83 : x
  2. Step 2: Convert to fraction form
    35,574.57/53,355.78 = 11,878.83/x
  3. Step 3: Cross multiply
    35,574.57x = 53,355.78 × 11,878.83
  4. Step 4: Simplify right side
    35,574.57x = 633,804,240.14
  5. Step 5: Solve for x
    x = 633,804,240.14/35,574.57
  6. Step 6: Final answer
    x = 17,816.22

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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.