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Finding the Fourth Proportional to 3,668,392.53, 5,500,818.54 and 1,537,904.61

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Solution

The fourth proportional to 3,668,392.53, 5,500,818.54 and 1,537,904.61 is: 2,306,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,392.53 : 5,500,818.54 = 1,537,904.61 : x
  2. Step 2: Convert to fraction form
    3,668,392.53/5,500,818.54 = 1,537,904.61/x
  3. Step 3: Cross multiply
    3,668,392.53x = 5,500,818.54 × 1,537,904.61
  4. Step 4: Simplify right side
    3,668,392.53x = 8,459,734,191,439.47
  5. Step 5: Solve for x
    x = 8,459,734,191,439.47/3,668,392.53
  6. Step 6: Final answer
    x = 2,306,114.77

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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.