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Finding the Fourth Proportional to 5,045.34, 6,963 and 2,921.64

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Solution

The fourth proportional to 5,045.34, 6,963 and 2,921.64 is: 4,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.34 : 6,963 = 2,921.64 : x
  2. Step 2: Convert to fraction form
    5,045.34/6,963 = 2,921.64/x
  3. Step 3: Cross multiply
    5,045.34x = 6,963 × 2,921.64
  4. Step 4: Simplify right side
    5,045.34x = 20,343,379.32
  5. Step 5: Solve for x
    x = 20,343,379.32/5,045.34
  6. Step 6: Final answer
    x = 4,032.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.