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Finding the Fourth Proportional to 34,807.85, 48,023.39 and 19,699.01

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Solution

The fourth proportional to 34,807.85, 48,023.39 and 19,699.01 is: 27,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,807.85 : 48,023.39 = 19,699.01 : x
  2. Step 2: Convert to fraction form
    34,807.85/48,023.39 = 19,699.01/x
  3. Step 3: Cross multiply
    34,807.85x = 48,023.39 × 19,699.01
  4. Step 4: Simplify right side
    34,807.85x = 946,013,048.97
  5. Step 5: Solve for x
    x = 946,013,048.97/34,807.85
  6. Step 6: Final answer
    x = 27,178.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.