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Finding the Fourth Proportional to 15,698,980.83, 23,548,471.25 and 15,698,980.83

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Solution

The fourth proportional to 15,698,980.83, 23,548,471.25 and 15,698,980.83 is: 23,548,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698,980.83 : 23,548,471.25 = 15,698,980.83 : x
  2. Step 2: Convert to fraction form
    15,698,980.83/23,548,471.25 = 15,698,980.83/x
  3. Step 3: Cross multiply
    15,698,980.83x = 23,548,471.25 × 15,698,980.83
  4. Step 4: Simplify right side
    15,698,980.83x = 369,686,998,729,556.12
  5. Step 5: Solve for x
    x = 369,686,998,729,556.12/15,698,980.83
  6. Step 6: Final answer
    x = 23,548,471.25

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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.