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Finding the Fourth Proportional to 8,899,088.64, 12,276,235.44 and 5,630,398.44

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Solution

The fourth proportional to 8,899,088.64, 12,276,235.44 and 5,630,398.44 is: 7,767,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899,088.64 : 12,276,235.44 = 5,630,398.44 : x
  2. Step 2: Convert to fraction form
    8,899,088.64/12,276,235.44 = 5,630,398.44/x
  3. Step 3: Cross multiply
    8,899,088.64x = 12,276,235.44 × 5,630,398.44
  4. Step 4: Simplify right side
    8,899,088.64x = 69,120,096,870,448.72
  5. Step 5: Solve for x
    x = 69,120,096,870,448.72/8,899,088.64
  6. Step 6: Final answer
    x = 7,767,098.37

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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.