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Finding the Fourth Proportional to 7,859.32, 10,846.32 and 4,503.17

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Solution

The fourth proportional to 7,859.32, 10,846.32 and 4,503.17 is: 6,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.32 : 10,846.32 = 4,503.17 : x
  2. Step 2: Convert to fraction form
    7,859.32/10,846.32 = 4,503.17/x
  3. Step 3: Cross multiply
    7,859.32x = 10,846.32 × 4,503.17
  4. Step 4: Simplify right side
    7,859.32x = 48,842,822.83
  5. Step 5: Solve for x
    x = 48,842,822.83/7,859.32
  6. Step 6: Final answer
    x = 6,214.64

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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.