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Finding the Fourth Proportional to 34,977.40, 48,267.40 and 19,061.51

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Solution

The fourth proportional to 34,977.40, 48,267.40 and 19,061.51 is: 26,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,977.40 : 48,267.40 = 19,061.51 : x
  2. Step 2: Convert to fraction form
    34,977.40/48,267.40 = 19,061.51/x
  3. Step 3: Cross multiply
    34,977.40x = 48,267.40 × 19,061.51
  4. Step 4: Simplify right side
    34,977.40x = 920,049,527.77
  5. Step 5: Solve for x
    x = 920,049,527.77/34,977.40
  6. Step 6: Final answer
    x = 26,304.11

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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.