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Finding the Fourth Proportional to 7,693.40, 10,616.93 and 4,336.25

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Solution

The fourth proportional to 7,693.40, 10,616.93 and 4,336.25 is: 5,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.40 : 10,616.93 = 4,336.25 : x
  2. Step 2: Convert to fraction form
    7,693.40/10,616.93 = 4,336.25/x
  3. Step 3: Cross multiply
    7,693.40x = 10,616.93 × 4,336.25
  4. Step 4: Simplify right side
    7,693.40x = 46,037,587.95
  5. Step 5: Solve for x
    x = 46,037,587.95/7,693.40
  6. Step 6: Final answer
    x = 5,984.04

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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.