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Finding the Fourth Proportional to 7,244,567.76, 10,867,223.76 and 1,853,264.88

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Solution

The fourth proportional to 7,244,567.76, 10,867,223.76 and 1,853,264.88 is: 2,779,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,567.76 : 10,867,223.76 = 1,853,264.88 : x
  2. Step 2: Convert to fraction form
    7,244,567.76/10,867,223.76 = 1,853,264.88/x
  3. Step 3: Cross multiply
    7,244,567.76x = 10,867,223.76 × 1,853,264.88
  4. Step 4: Simplify right side
    7,244,567.76x = 20,139,844,137,509.55
  5. Step 5: Solve for x
    x = 20,139,844,137,509.55/7,244,567.76
  6. Step 6: Final answer
    x = 2,779,992.51

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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.