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Finding the Fourth Proportional to 18,308,827.60, 27,463,241.40 and 10,246,670.80

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Solution

The fourth proportional to 18,308,827.60, 27,463,241.40 and 10,246,670.80 is: 15,370,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308,827.60 : 27,463,241.40 = 10,246,670.80 : x
  2. Step 2: Convert to fraction form
    18,308,827.60/27,463,241.40 = 10,246,670.80/x
  3. Step 3: Cross multiply
    18,308,827.60x = 27,463,241.40 × 10,246,670.80
  4. Step 4: Simplify right side
    18,308,827.60x = 281,406,793,726,731.12
  5. Step 5: Solve for x
    x = 281,406,793,726,731.12/18,308,827.60
  6. Step 6: Final answer
    x = 15,370,006.20

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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.