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Finding the Fourth Proportional to 34,806.78, 48,032.64 and 19,699.17

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Solution

The fourth proportional to 34,806.78, 48,032.64 and 19,699.17 is: 27,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.78 : 48,032.64 = 19,699.17 : x
  2. Step 2: Convert to fraction form
    34,806.78/48,032.64 = 19,699.17/x
  3. Step 3: Cross multiply
    34,806.78x = 48,032.64 × 19,699.17
  4. Step 4: Simplify right side
    34,806.78x = 946,203,140.91
  5. Step 5: Solve for x
    x = 946,203,140.91/34,806.78
  6. Step 6: Final answer
    x = 27,184.45

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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.