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Finding the Fourth Proportional to 795.87, 1,097.22 and 653.55

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Solution

The fourth proportional to 795.87, 1,097.22 and 653.55 is: 901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.87 : 1,097.22 = 653.55 : x
  2. Step 2: Convert to fraction form
    795.87/1,097.22 = 653.55/x
  3. Step 3: Cross multiply
    795.87x = 1,097.22 × 653.55
  4. Step 4: Simplify right side
    795.87x = 717,088.13
  5. Step 5: Solve for x
    x = 717,088.13/795.87
  6. Step 6: Final answer
    x = 901.01

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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.