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Finding the Fourth Proportional to 35,863.72, 53,762.78 and 15,088.68

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Solution

The fourth proportional to 35,863.72, 53,762.78 and 15,088.68 is: 22,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,863.72 : 53,762.78 = 15,088.68 : x
  2. Step 2: Convert to fraction form
    35,863.72/53,762.78 = 15,088.68/x
  3. Step 3: Cross multiply
    35,863.72x = 53,762.78 × 15,088.68
  4. Step 4: Simplify right side
    35,863.72x = 811,209,383.33
  5. Step 5: Solve for x
    x = 811,209,383.33/35,863.72
  6. Step 6: Final answer
    x = 22,619.22

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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.