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Finding the Fourth Proportional to 7,893,817.88, 10,893,513.36 and 4,409,303.36

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Solution

The fourth proportional to 7,893,817.88, 10,893,513.36 and 4,409,303.36 is: 6,084,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,817.88 : 10,893,513.36 = 4,409,303.36 : x
  2. Step 2: Convert to fraction form
    7,893,817.88/10,893,513.36 = 4,409,303.36/x
  3. Step 3: Cross multiply
    7,893,817.88x = 10,893,513.36 × 4,409,303.36
  4. Step 4: Simplify right side
    7,893,817.88x = 48,032,805,060,452.89
  5. Step 5: Solve for x
    x = 48,032,805,060,452.89/7,893,817.88
  6. Step 6: Final answer
    x = 6,084,863.60

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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.