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Finding the Fourth Proportional to 27,192,064.40, 40,788,096.60 and 20,473,600.40

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Solution

The fourth proportional to 27,192,064.40, 40,788,096.60 and 20,473,600.40 is: 30,710,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192,064.40 : 40,788,096.60 = 20,473,600.40 : x
  2. Step 2: Convert to fraction form
    27,192,064.40/40,788,096.60 = 20,473,600.40/x
  3. Step 3: Cross multiply
    27,192,064.40x = 40,788,096.60 × 20,473,600.40
  4. Step 4: Simplify right side
    27,192,064.40x = 835,079,190,864,998.62
  5. Step 5: Solve for x
    x = 835,079,190,864,998.62/27,192,064.40
  6. Step 6: Final answer
    x = 30,710,400.60

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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.