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Finding the Fourth Proportional to 16,922,805.60, 25,384,208.40 and 16,185,640.80

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Solution

The fourth proportional to 16,922,805.60, 25,384,208.40 and 16,185,640.80 is: 24,278,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922,805.60 : 25,384,208.40 = 16,185,640.80 : x
  2. Step 2: Convert to fraction form
    16,922,805.60/25,384,208.40 = 16,185,640.80/x
  3. Step 3: Cross multiply
    16,922,805.60x = 25,384,208.40 × 16,185,640.80
  4. Step 4: Simplify right side
    16,922,805.60x = 410,859,679,154,742.69
  5. Step 5: Solve for x
    x = 410,859,679,154,742.69/16,922,805.60
  6. Step 6: Final answer
    x = 24,278,461.20

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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.