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Finding the Fourth Proportional to 35,525, 53,271.96 and 18,881.04

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Solution

The fourth proportional to 35,525, 53,271.96 and 18,881.04 is: 28,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,525 : 53,271.96 = 18,881.04 : x
  2. Step 2: Convert to fraction form
    35,525/53,271.96 = 18,881.04/x
  3. Step 3: Cross multiply
    35,525x = 53,271.96 × 18,881.04
  4. Step 4: Simplify right side
    35,525x = 1,005,830,007.64
  5. Step 5: Solve for x
    x = 1,005,830,007.64/35,525
  6. Step 6: Final answer
    x = 28,313.30

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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.