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Finding the Fourth Proportional to 67,410, 101,114.64 and 17,490.06

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Solution

The fourth proportional to 67,410, 101,114.64 and 17,490.06 is: 26,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,410 : 101,114.64 = 17,490.06 : x
  2. Step 2: Convert to fraction form
    67,410/101,114.64 = 17,490.06/x
  3. Step 3: Cross multiply
    67,410x = 101,114.64 × 17,490.06
  4. Step 4: Simplify right side
    67,410x = 1,768,501,120.48
  5. Step 5: Solve for x
    x = 1,768,501,120.48/67,410
  6. Step 6: Final answer
    x = 26,235.00

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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.