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Finding the Fourth Proportional to 13,908,051.30, 20,862,076.95 and 9,656,523.30

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Solution

The fourth proportional to 13,908,051.30, 20,862,076.95 and 9,656,523.30 is: 14,484,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,051.30 : 20,862,076.95 = 9,656,523.30 : x
  2. Step 2: Convert to fraction form
    13,908,051.30/20,862,076.95 = 9,656,523.30/x
  3. Step 3: Cross multiply
    13,908,051.30x = 20,862,076.95 × 9,656,523.30
  4. Step 4: Simplify right side
    13,908,051.30x = 201,455,132,154,067.94
  5. Step 5: Solve for x
    x = 201,455,132,154,067.94/13,908,051.30
  6. Step 6: Final answer
    x = 14,484,784.95

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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.