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Finding the Fourth Proportional to 25,992,644.64, 35,869,858.28 and 14,232,656.79

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Solution

The fourth proportional to 25,992,644.64, 35,869,858.28 and 14,232,656.79 is: 19,641,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992,644.64 : 35,869,858.28 = 14,232,656.79 : x
  2. Step 2: Convert to fraction form
    25,992,644.64/35,869,858.28 = 14,232,656.79/x
  3. Step 3: Cross multiply
    25,992,644.64x = 35,869,858.28 × 14,232,656.79
  4. Step 4: Simplify right side
    25,992,644.64x = 510,523,382,005,179.69
  5. Step 5: Solve for x
    x = 510,523,382,005,179.69/25,992,644.64
  6. Step 6: Final answer
    x = 19,641,071.12

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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.