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Finding the Fourth Proportional to 7,698.96, 10,625.58 and 4,342.50

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Solution

The fourth proportional to 7,698.96, 10,625.58 and 4,342.50 is: 5,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.96 : 10,625.58 = 4,342.50 : x
  2. Step 2: Convert to fraction form
    7,698.96/10,625.58 = 4,342.50/x
  3. Step 3: Cross multiply
    7,698.96x = 10,625.58 × 4,342.50
  4. Step 4: Simplify right side
    7,698.96x = 46,141,581.15
  5. Step 5: Solve for x
    x = 46,141,581.15/7,698.96
  6. Step 6: Final answer
    x = 5,993.22

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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.