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Finding the Fourth Proportional to 1,720.10, 2,368.86 and 1,495.92

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Solution

The fourth proportional to 1,720.10, 2,368.86 and 1,495.92 is: 2,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.10 : 2,368.86 = 1,495.92 : x
  2. Step 2: Convert to fraction form
    1,720.10/2,368.86 = 1,495.92/x
  3. Step 3: Cross multiply
    1,720.10x = 2,368.86 × 1,495.92
  4. Step 4: Simplify right side
    1,720.10x = 3,543,625.05
  5. Step 5: Solve for x
    x = 3,543,625.05/1,720.10
  6. Step 6: Final answer
    x = 2,060.13

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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.