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Finding the Fourth Proportional to 8,956,886.80, 13,437,079.80 and 3,564,619.60

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Solution

The fourth proportional to 8,956,886.80, 13,437,079.80 and 3,564,619.60 is: 5,347,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956,886.80 : 13,437,079.80 = 3,564,619.60 : x
  2. Step 2: Convert to fraction form
    8,956,886.80/13,437,079.80 = 3,564,619.60/x
  3. Step 3: Cross multiply
    8,956,886.80x = 13,437,079.80 × 3,564,619.60
  4. Step 4: Simplify right side
    8,956,886.80x = 47,898,078,021,844.09
  5. Step 5: Solve for x
    x = 47,898,078,021,844.09/8,956,886.80
  6. Step 6: Final answer
    x = 5,347,625.70

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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.