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Finding the Fourth Proportional to 5,931,813.72, 8,898,420.42 and 4,445,353.56

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Solution

The fourth proportional to 5,931,813.72, 8,898,420.42 and 4,445,353.56 is: 6,668,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931,813.72 : 8,898,420.42 = 4,445,353.56 : x
  2. Step 2: Convert to fraction form
    5,931,813.72/8,898,420.42 = 4,445,353.56/x
  3. Step 3: Cross multiply
    5,931,813.72x = 8,898,420.42 × 4,445,353.56
  4. Step 4: Simplify right side
    5,931,813.72x = 39,556,624,892,423.69
  5. Step 5: Solve for x
    x = 39,556,624,892,423.69/5,931,813.72
  6. Step 6: Final answer
    x = 6,668,554.81

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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.