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Finding the Fourth Proportional to 5,547,390.15, 8,324,948.01 and 1,953,446.57

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Solution

The fourth proportional to 5,547,390.15, 8,324,948.01 and 1,953,446.57 is: 2,931,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547,390.15 : 8,324,948.01 = 1,953,446.57 : x
  2. Step 2: Convert to fraction form
    5,547,390.15/8,324,948.01 = 1,953,446.57/x
  3. Step 3: Cross multiply
    5,547,390.15x = 8,324,948.01 × 1,953,446.57
  4. Step 4: Simplify right side
    5,547,390.15x = 16,262,341,173,815.83
  5. Step 5: Solve for x
    x = 16,262,341,173,815.83/5,547,390.15
  6. Step 6: Final answer
    x = 2,931,530.10

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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.