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Finding the Fourth Proportional to 7,195,697.19, 9,931,290.62 and 4,295,237.67

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Solution

The fourth proportional to 7,195,697.19, 9,931,290.62 and 4,295,237.67 is: 5,928,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195,697.19 : 9,931,290.62 = 4,295,237.67 : x
  2. Step 2: Convert to fraction form
    7,195,697.19/9,931,290.62 = 4,295,237.67/x
  3. Step 3: Cross multiply
    7,195,697.19x = 9,931,290.62 × 4,295,237.67
  4. Step 4: Simplify right side
    7,195,697.19x = 42,657,253,561,265.47
  5. Step 5: Solve for x
    x = 42,657,253,561,265.47/7,195,697.19
  6. Step 6: Final answer
    x = 5,928,161.29

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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.