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Finding the Fourth Proportional to 2,567.51, 3,543.84 and 1,505.51

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Solution

The fourth proportional to 2,567.51, 3,543.84 and 1,505.51 is: 2,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.51 : 3,543.84 = 1,505.51 : x
  2. Step 2: Convert to fraction form
    2,567.51/3,543.84 = 1,505.51/x
  3. Step 3: Cross multiply
    2,567.51x = 3,543.84 × 1,505.51
  4. Step 4: Simplify right side
    2,567.51x = 5,335,268.84
  5. Step 5: Solve for x
    x = 5,335,268.84/2,567.51
  6. Step 6: Final answer
    x = 2,078.00

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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.