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Finding the Fourth Proportional to 2,742,762.52, 3,785,641.86 and 1,825,029.64

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Solution

The fourth proportional to 2,742,762.52, 3,785,641.86 and 1,825,029.64 is: 2,518,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,762.52 : 3,785,641.86 = 1,825,029.64 : x
  2. Step 2: Convert to fraction form
    2,742,762.52/3,785,641.86 = 1,825,029.64/x
  3. Step 3: Cross multiply
    2,742,762.52x = 3,785,641.86 × 1,825,029.64
  4. Step 4: Simplify right side
    2,742,762.52x = 6,908,908,600,924.73
  5. Step 5: Solve for x
    x = 6,908,908,600,924.73/2,742,762.52
  6. Step 6: Final answer
    x = 2,518,959.83

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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.