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Finding the Fourth Proportional to 5,969,428.40, 8,935,091.40 and 4,709,716.40

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Solution

The fourth proportional to 5,969,428.40, 8,935,091.40 and 4,709,716.40 is: 7,049,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969,428.40 : 8,935,091.40 = 4,709,716.40 : x
  2. Step 2: Convert to fraction form
    5,969,428.40/8,935,091.40 = 4,709,716.40/x
  3. Step 3: Cross multiply
    5,969,428.40x = 8,935,091.40 × 4,709,716.40
  4. Step 4: Simplify right side
    5,969,428.40x = 42,081,746,502,078.97
  5. Step 5: Solve for x
    x = 42,081,746,502,078.97/5,969,428.40
  6. Step 6: Final answer
    x = 7,049,543.72

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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.