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Finding the Fourth Proportional to 6,545,513.07, 9,811,532.84 and 2,903,957.90

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Solution

The fourth proportional to 6,545,513.07, 9,811,532.84 and 2,903,957.90 is: 4,352,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545,513.07 : 9,811,532.84 = 2,903,957.90 : x
  2. Step 2: Convert to fraction form
    6,545,513.07/9,811,532.84 = 2,903,957.90/x
  3. Step 3: Cross multiply
    6,545,513.07x = 9,811,532.84 × 2,903,957.90
  4. Step 4: Simplify right side
    6,545,513.07x = 28,492,278,346,567.86
  5. Step 5: Solve for x
    x = 28,492,278,346,567.86/6,545,513.07
  6. Step 6: Final answer
    x = 4,352,948.05

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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.