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Finding the Fourth Proportional to 35,548, 53,322.24 and 12,174.64

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Solution

The fourth proportional to 35,548, 53,322.24 and 12,174.64 is: 18,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,548 : 53,322.24 = 12,174.64 : x
  2. Step 2: Convert to fraction form
    35,548/53,322.24 = 12,174.64/x
  3. Step 3: Cross multiply
    35,548x = 53,322.24 × 12,174.64
  4. Step 4: Simplify right side
    35,548x = 649,179,075.99
  5. Step 5: Solve for x
    x = 649,179,075.99/35,548
  6. Step 6: Final answer
    x = 18,262.04

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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.