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Finding the Fourth Proportional to 30,599,563.80, 45,899,345.70 and 10,404,805.80

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Solution

The fourth proportional to 30,599,563.80, 45,899,345.70 and 10,404,805.80 is: 15,607,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599,563.80 : 45,899,345.70 = 10,404,805.80 : x
  2. Step 2: Convert to fraction form
    30,599,563.80/45,899,345.70 = 10,404,805.80/x
  3. Step 3: Cross multiply
    30,599,563.80x = 45,899,345.70 × 10,404,805.80
  4. Step 4: Simplify right side
    30,599,563.80x = 477,573,778,355,565.12
  5. Step 5: Solve for x
    x = 477,573,778,355,565.12/30,599,563.80
  6. Step 6: Final answer
    x = 15,607,208.70

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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.