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Finding the Fourth Proportional to 1,751.69, 2,411.16 and 1,502.75

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Solution

The fourth proportional to 1,751.69, 2,411.16 and 1,502.75 is: 2,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.69 : 2,411.16 = 1,502.75 : x
  2. Step 2: Convert to fraction form
    1,751.69/2,411.16 = 1,502.75/x
  3. Step 3: Cross multiply
    1,751.69x = 2,411.16 × 1,502.75
  4. Step 4: Simplify right side
    1,751.69x = 3,623,370.69
  5. Step 5: Solve for x
    x = 3,623,370.69/1,751.69
  6. Step 6: Final answer
    x = 2,068.50

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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.