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Finding the Fourth Proportional to 1,495.56, 2,064.30 and 1,053.56

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Solution

The fourth proportional to 1,495.56, 2,064.30 and 1,053.56 is: 1,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.56 : 2,064.30 = 1,053.56 : x
  2. Step 2: Convert to fraction form
    1,495.56/2,064.30 = 1,053.56/x
  3. Step 3: Cross multiply
    1,495.56x = 2,064.30 × 1,053.56
  4. Step 4: Simplify right side
    1,495.56x = 2,174,863.91
  5. Step 5: Solve for x
    x = 2,174,863.91/1,495.56
  6. Step 6: Final answer
    x = 1,454.21

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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.