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Finding the Fourth Proportional to 3,547,610.64, 4,895,707.14 and 2,019,717.72

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Solution

The fourth proportional to 3,547,610.64, 4,895,707.14 and 2,019,717.72 is: 2,787,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,610.64 : 4,895,707.14 = 2,019,717.72 : x
  2. Step 2: Convert to fraction form
    3,547,610.64/4,895,707.14 = 2,019,717.72/x
  3. Step 3: Cross multiply
    3,547,610.64x = 4,895,707.14 × 2,019,717.72
  4. Step 4: Simplify right side
    3,547,610.64x = 9,887,946,462,588.52
  5. Step 5: Solve for x
    x = 9,887,946,462,588.52/3,547,610.64
  6. Step 6: Final answer
    x = 2,787,212.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.