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Finding the Fourth Proportional to 8,986,885.60, 13,480,328.40 and 2,597,346.40

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Solution

The fourth proportional to 8,986,885.60, 13,480,328.40 and 2,597,346.40 is: 3,896,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,885.60 : 13,480,328.40 = 2,597,346.40 : x
  2. Step 2: Convert to fraction form
    8,986,885.60/13,480,328.40 = 2,597,346.40/x
  3. Step 3: Cross multiply
    8,986,885.60x = 13,480,328.40 × 2,597,346.40
  4. Step 4: Simplify right side
    8,986,885.60x = 35,013,082,440,557.76
  5. Step 5: Solve for x
    x = 35,013,082,440,557.76/8,986,885.60
  6. Step 6: Final answer
    x = 3,896,019.60

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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.