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Finding the Fourth Proportional to 35,565.54, 53,381.79 and 18,047.94

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Solution

The fourth proportional to 35,565.54, 53,381.79 and 18,047.94 is: 27,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,565.54 : 53,381.79 = 18,047.94 : x
  2. Step 2: Convert to fraction form
    35,565.54/53,381.79 = 18,047.94/x
  3. Step 3: Cross multiply
    35,565.54x = 53,381.79 × 18,047.94
  4. Step 4: Simplify right side
    35,565.54x = 963,431,343.01
  5. Step 5: Solve for x
    x = 963,431,343.01/35,565.54
  6. Step 6: Final answer
    x = 27,088.90

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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.