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Finding the Fourth Proportional to 1,571.64, 2,356.08 and 597.09

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Solution

The fourth proportional to 1,571.64, 2,356.08 and 597.09 is: 895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.64 : 2,356.08 = 597.09 : x
  2. Step 2: Convert to fraction form
    1,571.64/2,356.08 = 597.09/x
  3. Step 3: Cross multiply
    1,571.64x = 2,356.08 × 597.09
  4. Step 4: Simplify right side
    1,571.64x = 1,406,791.81
  5. Step 5: Solve for x
    x = 1,406,791.81/1,571.64
  6. Step 6: Final answer
    x = 895.11

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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.