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Finding the Fourth Proportional to 34,210.93, 51,309.06 and 19,969.92

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Solution

The fourth proportional to 34,210.93, 51,309.06 and 19,969.92 is: 29,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210.93 : 51,309.06 = 19,969.92 : x
  2. Step 2: Convert to fraction form
    34,210.93/51,309.06 = 19,969.92/x
  3. Step 3: Cross multiply
    34,210.93x = 51,309.06 × 19,969.92
  4. Step 4: Simplify right side
    34,210.93x = 1,024,637,823.48
  5. Step 5: Solve for x
    x = 1,024,637,823.48/34,210.93
  6. Step 6: Final answer
    x = 29,950.60

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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.