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Finding the Fourth Proportional to 5,557.64, 7,650.06 and 5,032.76

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Solution

The fourth proportional to 5,557.64, 7,650.06 and 5,032.76 is: 6,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.64 : 7,650.06 = 5,032.76 : x
  2. Step 2: Convert to fraction form
    5,557.64/7,650.06 = 5,032.76/x
  3. Step 3: Cross multiply
    5,557.64x = 7,650.06 × 5,032.76
  4. Step 4: Simplify right side
    5,557.64x = 38,500,915.97
  5. Step 5: Solve for x
    x = 38,500,915.97/5,557.64
  6. Step 6: Final answer
    x = 6,927.57

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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.