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Finding the Fourth Proportional to 1,751.90, 2,417.73 and 965.95

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Solution

The fourth proportional to 1,751.90, 2,417.73 and 965.95 is: 1,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.90 : 2,417.73 = 965.95 : x
  2. Step 2: Convert to fraction form
    1,751.90/2,417.73 = 965.95/x
  3. Step 3: Cross multiply
    1,751.90x = 2,417.73 × 965.95
  4. Step 4: Simplify right side
    1,751.90x = 2,335,389.38
  5. Step 5: Solve for x
    x = 2,335,389.38/1,751.90
  6. Step 6: Final answer
    x = 1,333.06

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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.