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Finding the Fourth Proportional to 10,981.04, 16,473.63 and 4,407.74

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Solution

The fourth proportional to 10,981.04, 16,473.63 and 4,407.74 is: 6,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.04 : 16,473.63 = 4,407.74 : x
  2. Step 2: Convert to fraction form
    10,981.04/16,473.63 = 4,407.74/x
  3. Step 3: Cross multiply
    10,981.04x = 16,473.63 × 4,407.74
  4. Step 4: Simplify right side
    10,981.04x = 72,611,395.53
  5. Step 5: Solve for x
    x = 72,611,395.53/10,981.04
  6. Step 6: Final answer
    x = 6,612.44

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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.