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Finding the Fourth Proportional to 5,237,483.84, 7,849,058.16 and 3,957,038.72

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Solution

The fourth proportional to 5,237,483.84, 7,849,058.16 and 3,957,038.72 is: 5,930,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,483.84 : 7,849,058.16 = 3,957,038.72 : x
  2. Step 2: Convert to fraction form
    5,237,483.84/7,849,058.16 = 3,957,038.72/x
  3. Step 3: Cross multiply
    5,237,483.84x = 7,849,058.16 × 3,957,038.72
  4. Step 4: Simplify right side
    5,237,483.84x = 31,059,027,054,651.96
  5. Step 5: Solve for x
    x = 31,059,027,054,651.96/5,237,483.84
  6. Step 6: Final answer
    x = 5,930,142.79

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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.