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Finding the Fourth Proportional to 8,736,605.40, 13,104,908.10 and 4,475,357.40

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Solution

The fourth proportional to 8,736,605.40, 13,104,908.10 and 4,475,357.40 is: 6,713,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,605.40 : 13,104,908.10 = 4,475,357.40 : x
  2. Step 2: Convert to fraction form
    8,736,605.40/13,104,908.10 = 4,475,357.40/x
  3. Step 3: Cross multiply
    8,736,605.40x = 13,104,908.10 × 4,475,357.40
  4. Step 4: Simplify right side
    8,736,605.40x = 58,649,147,441,654.95
  5. Step 5: Solve for x
    x = 58,649,147,441,654.95/8,736,605.40
  6. Step 6: Final answer
    x = 6,713,036.10

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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.