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Finding the Fourth Proportional to 8,529.12, 11,770.08 and 4,803.12

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Solution

The fourth proportional to 8,529.12, 11,770.08 and 4,803.12 is: 6,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.12 : 11,770.08 = 4,803.12 : x
  2. Step 2: Convert to fraction form
    8,529.12/11,770.08 = 4,803.12/x
  3. Step 3: Cross multiply
    8,529.12x = 11,770.08 × 4,803.12
  4. Step 4: Simplify right side
    8,529.12x = 56,533,106.65
  5. Step 5: Solve for x
    x = 56,533,106.65/8,529.12
  6. Step 6: Final answer
    x = 6,628.25

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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.