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Finding the Fourth Proportional to 8,310,904.40, 12,468,689.40 and 4,051,211.60

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Solution

The fourth proportional to 8,310,904.40, 12,468,689.40 and 4,051,211.60 is: 6,077,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,904.40 : 12,468,689.40 = 4,051,211.60 : x
  2. Step 2: Convert to fraction form
    8,310,904.40/12,468,689.40 = 4,051,211.60/x
  3. Step 3: Cross multiply
    8,310,904.40x = 12,468,689.40 × 4,051,211.60
  4. Step 4: Simplify right side
    8,310,904.40x = 50,513,299,134,077.04
  5. Step 5: Solve for x
    x = 50,513,299,134,077.04/8,310,904.40
  6. Step 6: Final answer
    x = 6,077,954.54

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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.