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Finding the Fourth Proportional to 23,699.40, 35,549.10 and 19,840.20

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Solution

The fourth proportional to 23,699.40, 35,549.10 and 19,840.20 is: 29,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.40 : 35,549.10 = 19,840.20 : x
  2. Step 2: Convert to fraction form
    23,699.40/35,549.10 = 19,840.20/x
  3. Step 3: Cross multiply
    23,699.40x = 35,549.10 × 19,840.20
  4. Step 4: Simplify right side
    23,699.40x = 705,301,253.82
  5. Step 5: Solve for x
    x = 705,301,253.82/23,699.40
  6. Step 6: Final answer
    x = 29,760.30

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1.5x scale

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.