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Finding the Fourth Proportional to 9,709,168.86, 14,559,964.29 and 3,640,590.12

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Solution

The fourth proportional to 9,709,168.86, 14,559,964.29 and 3,640,590.12 is: 5,459,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709,168.86 : 14,559,964.29 = 3,640,590.12 : x
  2. Step 2: Convert to fraction form
    9,709,168.86/14,559,964.29 = 3,640,590.12/x
  3. Step 3: Cross multiply
    9,709,168.86x = 14,559,964.29 × 3,640,590.12
  4. Step 4: Simplify right side
    9,709,168.86x = 53,006,862,141,726.81
  5. Step 5: Solve for x
    x = 53,006,862,141,726.81/9,709,168.86
  6. Step 6: Final answer
    x = 5,459,464.44

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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.