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Finding the Fourth Proportional to 35,240.77, 52,872.68 and 13,055.77

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Solution

The fourth proportional to 35,240.77, 52,872.68 and 13,055.77 is: 19,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,240.77 : 52,872.68 = 13,055.77 : x
  2. Step 2: Convert to fraction form
    35,240.77/52,872.68 = 13,055.77/x
  3. Step 3: Cross multiply
    35,240.77x = 52,872.68 × 13,055.77
  4. Step 4: Simplify right side
    35,240.77x = 690,293,549.36
  5. Step 5: Solve for x
    x = 690,293,549.36/35,240.77
  6. Step 6: Final answer
    x = 19,587.92

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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.