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Finding the Fourth Proportional to 5,656.24, 7,805.88 and 3,503.32

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Solution

The fourth proportional to 5,656.24, 7,805.88 and 3,503.32 is: 4,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.24 : 7,805.88 = 3,503.32 : x
  2. Step 2: Convert to fraction form
    5,656.24/7,805.88 = 3,503.32/x
  3. Step 3: Cross multiply
    5,656.24x = 7,805.88 × 3,503.32
  4. Step 4: Simplify right side
    5,656.24x = 27,346,495.52
  5. Step 5: Solve for x
    x = 27,346,495.52/5,656.24
  6. Step 6: Final answer
    x = 4,834.75

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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.