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Finding the Fourth Proportional to 1,752.03, 2,417.36 and 995.81

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Solution

The fourth proportional to 1,752.03, 2,417.36 and 995.81 is: 1,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.03 : 2,417.36 = 995.81 : x
  2. Step 2: Convert to fraction form
    1,752.03/2,417.36 = 995.81/x
  3. Step 3: Cross multiply
    1,752.03x = 2,417.36 × 995.81
  4. Step 4: Simplify right side
    1,752.03x = 2,407,214.20
  5. Step 5: Solve for x
    x = 2,407,214.20/1,752.03
  6. Step 6: Final answer
    x = 1,373.96

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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.