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Finding the Fourth Proportional to 7,852.76, 10,837.02 and 4,449.50

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Solution

The fourth proportional to 7,852.76, 10,837.02 and 4,449.50 is: 6,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.76 : 10,837.02 = 4,449.50 : x
  2. Step 2: Convert to fraction form
    7,852.76/10,837.02 = 4,449.50/x
  3. Step 3: Cross multiply
    7,852.76x = 10,837.02 × 4,449.50
  4. Step 4: Simplify right side
    7,852.76x = 48,219,320.49
  5. Step 5: Solve for x
    x = 48,219,320.49/7,852.76
  6. Step 6: Final answer
    x = 6,140.43

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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.