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Finding the Fourth Proportional to 4,824,391.07, 6,655,146.72 and 3,907,655.35

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Solution

The fourth proportional to 4,824,391.07, 6,655,146.72 and 3,907,655.35 is: 5,390,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824,391.07 : 6,655,146.72 = 3,907,655.35 : x
  2. Step 2: Convert to fraction form
    4,824,391.07/6,655,146.72 = 3,907,655.35/x
  3. Step 3: Cross multiply
    4,824,391.07x = 6,655,146.72 × 3,907,655.35
  4. Step 4: Simplify right side
    4,824,391.07x = 26,006,019,685,442.95
  5. Step 5: Solve for x
    x = 26,006,019,685,442.95/4,824,391.07
  6. Step 6: Final answer
    x = 5,390,528.94

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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.