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Finding the Fourth Proportional to 2,913.86, 4,368.15 and 1,526.33

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Solution

The fourth proportional to 2,913.86, 4,368.15 and 1,526.33 is: 2,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.86 : 4,368.15 = 1,526.33 : x
  2. Step 2: Convert to fraction form
    2,913.86/4,368.15 = 1,526.33/x
  3. Step 3: Cross multiply
    2,913.86x = 4,368.15 × 1,526.33
  4. Step 4: Simplify right side
    2,913.86x = 6,667,216.55
  5. Step 5: Solve for x
    x = 6,667,216.55/2,913.86
  6. Step 6: Final answer
    x = 2,288.11

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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.