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Finding the Fourth Proportional to 5,725.88, 7,903.02 and 4,792.76

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Solution

The fourth proportional to 5,725.88, 7,903.02 and 4,792.76 is: 6,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.88 : 7,903.02 = 4,792.76 : x
  2. Step 2: Convert to fraction form
    5,725.88/7,903.02 = 4,792.76/x
  3. Step 3: Cross multiply
    5,725.88x = 7,903.02 × 4,792.76
  4. Step 4: Simplify right side
    5,725.88x = 37,877,278.14
  5. Step 5: Solve for x
    x = 37,877,278.14/5,725.88
  6. Step 6: Final answer
    x = 6,615.10

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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.