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Finding the Fourth Proportional to 9,902,357.34, 14,853,743.37 and 3,170,751.90

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Solution

The fourth proportional to 9,902,357.34, 14,853,743.37 and 3,170,751.90 is: 4,756,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902,357.34 : 14,853,743.37 = 3,170,751.90 : x
  2. Step 2: Convert to fraction form
    9,902,357.34/14,853,743.37 = 3,170,751.90/x
  3. Step 3: Cross multiply
    9,902,357.34x = 14,853,743.37 × 3,170,751.90
  4. Step 4: Simplify right side
    9,902,357.34x = 47,097,535,012,539.90
  5. Step 5: Solve for x
    x = 47,097,535,012,539.90/9,902,357.34
  6. Step 6: Final answer
    x = 4,756,194.25

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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.