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Finding the Fourth Proportional to 6,473,565.36, 8,932,884.12 and 3,572,768.86

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Solution

The fourth proportional to 6,473,565.36, 8,932,884.12 and 3,572,768.86 is: 4,930,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473,565.36 : 8,932,884.12 = 3,572,768.86 : x
  2. Step 2: Convert to fraction form
    6,473,565.36/8,932,884.12 = 3,572,768.86/x
  3. Step 3: Cross multiply
    6,473,565.36x = 8,932,884.12 × 3,572,768.86
  4. Step 4: Simplify right side
    6,473,565.36x = 31,915,130,191,592.29
  5. Step 5: Solve for x
    x = 31,915,130,191,592.29/6,473,565.36
  6. Step 6: Final answer
    x = 4,930,069.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.