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Finding the Fourth Proportional to 2,455.84, 3,681.53 and 895.47

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Solution

The fourth proportional to 2,455.84, 3,681.53 and 895.47 is: 1,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.84 : 3,681.53 = 895.47 : x
  2. Step 2: Convert to fraction form
    2,455.84/3,681.53 = 895.47/x
  3. Step 3: Cross multiply
    2,455.84x = 3,681.53 × 895.47
  4. Step 4: Simplify right side
    2,455.84x = 3,296,717.86
  5. Step 5: Solve for x
    x = 3,296,717.86/2,455.84
  6. Step 6: Final answer
    x = 1,342.40

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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.