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Finding the Fourth Proportional to 5,843,639.85, 8,765,459.78 and 1,583,808.09

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Solution

The fourth proportional to 5,843,639.85, 8,765,459.78 and 1,583,808.09 is: 2,375,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,843,639.85 : 8,765,459.78 = 1,583,808.09 : x
  2. Step 2: Convert to fraction form
    5,843,639.85/8,765,459.78 = 1,583,808.09/x
  3. Step 3: Cross multiply
    5,843,639.85x = 8,765,459.78 × 1,583,808.09
  4. Step 4: Simplify right side
    5,843,639.85x = 13,882,806,075,798.41
  5. Step 5: Solve for x
    x = 13,882,806,075,798.41/5,843,639.85
  6. Step 6: Final answer
    x = 2,375,712.13

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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.