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Finding the Fourth Proportional to 7,859.58, 10,846.45 and 4,323.02

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Solution

The fourth proportional to 7,859.58, 10,846.45 and 4,323.02 is: 5,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.58 : 10,846.45 = 4,323.02 : x
  2. Step 2: Convert to fraction form
    7,859.58/10,846.45 = 4,323.02/x
  3. Step 3: Cross multiply
    7,859.58x = 10,846.45 × 4,323.02
  4. Step 4: Simplify right side
    7,859.58x = 46,889,420.28
  5. Step 5: Solve for x
    x = 46,889,420.28/7,859.58
  6. Step 6: Final answer
    x = 5,965.89

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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.