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Finding the Fourth Proportional to 8,533.71, 12,803.18 and 4,376.66

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Solution

The fourth proportional to 8,533.71, 12,803.18 and 4,376.66 is: 6,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.71 : 12,803.18 = 4,376.66 : x
  2. Step 2: Convert to fraction form
    8,533.71/12,803.18 = 4,376.66/x
  3. Step 3: Cross multiply
    8,533.71x = 12,803.18 × 4,376.66
  4. Step 4: Simplify right side
    8,533.71x = 56,035,079.88
  5. Step 5: Solve for x
    x = 56,035,079.88/8,533.71
  6. Step 6: Final answer
    x = 6,566.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.