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Finding the Fourth Proportional to 1,574.37, 2,361.56 and 587.19

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Solution

The fourth proportional to 1,574.37, 2,361.56 and 587.19 is: 880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.37 : 2,361.56 = 587.19 : x
  2. Step 2: Convert to fraction form
    1,574.37/2,361.56 = 587.19/x
  3. Step 3: Cross multiply
    1,574.37x = 2,361.56 × 587.19
  4. Step 4: Simplify right side
    1,574.37x = 1,386,681.48
  5. Step 5: Solve for x
    x = 1,386,681.48/1,574.37
  6. Step 6: Final answer
    x = 880.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.