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Finding the Fourth Proportional to 3,337.44, 5,004.72 and 1,284

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Solution

The fourth proportional to 3,337.44, 5,004.72 and 1,284 is: 1,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.44 : 5,004.72 = 1,284 : x
  2. Step 2: Convert to fraction form
    3,337.44/5,004.72 = 1,284/x
  3. Step 3: Cross multiply
    3,337.44x = 5,004.72 × 1,284
  4. Step 4: Simplify right side
    3,337.44x = 6,426,060.48
  5. Step 5: Solve for x
    x = 6,426,060.48/3,337.44
  6. Step 6: Final answer
    x = 1,925.45

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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.