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Finding the Fourth Proportional to 53,893,497.60, 80,840,246.40 and 19,810,414.80

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Solution

The fourth proportional to 53,893,497.60, 80,840,246.40 and 19,810,414.80 is: 29,715,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893,497.60 : 80,840,246.40 = 19,810,414.80 : x
  2. Step 2: Convert to fraction form
    53,893,497.60/80,840,246.40 = 19,810,414.80/x
  3. Step 3: Cross multiply
    53,893,497.60x = 80,840,246.40 × 19,810,414.80
  4. Step 4: Simplify right side
    53,893,497.60x = 1,601,478,813,718,207
  5. Step 5: Solve for x
    x = 1,601,478,813,718,207/53,893,497.60
  6. Step 6: Final answer
    x = 29,715,622.20

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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.