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Finding the Fourth Proportional to 18,169,612.80, 27,254,419.20 and 14,922,355.20

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Solution

The fourth proportional to 18,169,612.80, 27,254,419.20 and 14,922,355.20 is: 22,383,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,612.80 : 27,254,419.20 = 14,922,355.20 : x
  2. Step 2: Convert to fraction form
    18,169,612.80/27,254,419.20 = 14,922,355.20/x
  3. Step 3: Cross multiply
    18,169,612.80x = 27,254,419.20 × 14,922,355.20
  4. Step 4: Simplify right side
    18,169,612.80x = 406,700,124,072,099.81
  5. Step 5: Solve for x
    x = 406,700,124,072,099.81/18,169,612.80
  6. Step 6: Final answer
    x = 22,383,532.80

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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.