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Finding the Fourth Proportional to 34,787.93, 48,004.17 and 19,681.97

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Solution

The fourth proportional to 34,787.93, 48,004.17 and 19,681.97 is: 27,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,787.93 : 48,004.17 = 19,681.97 : x
  2. Step 2: Convert to fraction form
    34,787.93/48,004.17 = 19,681.97/x
  3. Step 3: Cross multiply
    34,787.93x = 48,004.17 × 19,681.97
  4. Step 4: Simplify right side
    34,787.93x = 944,816,633.81
  5. Step 5: Solve for x
    x = 944,816,633.81/34,787.93
  6. Step 6: Final answer
    x = 27,159.32

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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.