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Finding the Fourth Proportional to 5,347,607.85, 8,021,894.13 and 1,509,472.67

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Solution

The fourth proportional to 5,347,607.85, 8,021,894.13 and 1,509,472.67 is: 2,264,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,607.85 : 8,021,894.13 = 1,509,472.67 : x
  2. Step 2: Convert to fraction form
    5,347,607.85/8,021,894.13 = 1,509,472.67/x
  3. Step 3: Cross multiply
    5,347,607.85x = 8,021,894.13 × 1,509,472.67
  4. Step 4: Simplify right side
    5,347,607.85x = 12,108,829,910,758.96
  5. Step 5: Solve for x
    x = 12,108,829,910,758.96/5,347,607.85
  6. Step 6: Final answer
    x = 2,264,345.15

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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.