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Finding the Fourth Proportional to 84,806.79, 127,268.49 and 29,402.79

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Solution

The fourth proportional to 84,806.79, 127,268.49 and 29,402.79 is: 44,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,806.79 : 127,268.49 = 29,402.79 : x
  2. Step 2: Convert to fraction form
    84,806.79/127,268.49 = 29,402.79/x
  3. Step 3: Cross multiply
    84,806.79x = 127,268.49 × 29,402.79
  4. Step 4: Simplify right side
    84,806.79x = 3,742,048,685.09
  5. Step 5: Solve for x
    x = 3,742,048,685.09/84,806.79
  6. Step 6: Final answer
    x = 44,124.40

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1.5x scale

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.