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Finding the Fourth Proportional to 1,751.74, 2,417.10 and 995.56

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Solution

The fourth proportional to 1,751.74, 2,417.10 and 995.56 is: 1,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.74 : 2,417.10 = 995.56 : x
  2. Step 2: Convert to fraction form
    1,751.74/2,417.10 = 995.56/x
  3. Step 3: Cross multiply
    1,751.74x = 2,417.10 × 995.56
  4. Step 4: Simplify right side
    1,751.74x = 2,406,368.08
  5. Step 5: Solve for x
    x = 2,406,368.08/1,751.74
  6. Step 6: Final answer
    x = 1,373.70

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1.5x scale

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.