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Finding the Fourth Proportional to 70,004.76, 105,006.93 and 17,414.25

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Solution

The fourth proportional to 70,004.76, 105,006.93 and 17,414.25 is: 26,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.76 : 105,006.93 = 17,414.25 : x
  2. Step 2: Convert to fraction form
    70,004.76/105,006.93 = 17,414.25/x
  3. Step 3: Cross multiply
    70,004.76x = 105,006.93 × 17,414.25
  4. Step 4: Simplify right side
    70,004.76x = 1,828,616,930.75
  5. Step 5: Solve for x
    x = 1,828,616,930.75/70,004.76
  6. Step 6: Final answer
    x = 26,121.32

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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.