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Finding the Fourth Proportional to 42,053, 63,079.51 and 17,106.62

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Solution

The fourth proportional to 42,053, 63,079.51 and 17,106.62 is: 25,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053 : 63,079.51 = 17,106.62 : x
  2. Step 2: Convert to fraction form
    42,053/63,079.51 = 17,106.62/x
  3. Step 3: Cross multiply
    42,053x = 63,079.51 × 17,106.62
  4. Step 4: Simplify right side
    42,053x = 1,079,077,207.36
  5. Step 5: Solve for x
    x = 1,079,077,207.36/42,053
  6. Step 6: Final answer
    x = 25,659.93

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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.