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Finding the Fourth Proportional to 7,893,698.59, 10,893,189.07 and 4,409,086.95

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Solution

The fourth proportional to 7,893,698.59, 10,893,189.07 and 4,409,086.95 is: 6,084,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,698.59 : 10,893,189.07 = 4,409,086.95 : x
  2. Step 2: Convert to fraction form
    7,893,698.59/10,893,189.07 = 4,409,086.95/x
  3. Step 3: Cross multiply
    7,893,698.59x = 10,893,189.07 × 4,409,086.95
  4. Step 4: Simplify right side
    7,893,698.59x = 48,029,017,772,419.64
  5. Step 5: Solve for x
    x = 48,029,017,772,419.64/7,893,698.59
  6. Step 6: Final answer
    x = 6,084,475.77

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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.