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Finding the Fourth Proportional to 16,692,986.79, 25,006,878.99 and 11,504,677.59

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Solution

The fourth proportional to 16,692,986.79, 25,006,878.99 and 11,504,677.59 is: 17,234,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692,986.79 : 25,006,878.99 = 11,504,677.59 : x
  2. Step 2: Convert to fraction form
    16,692,986.79/25,006,878.99 = 11,504,677.59/x
  3. Step 3: Cross multiply
    16,692,986.79x = 25,006,878.99 × 11,504,677.59
  4. Step 4: Simplify right side
    16,692,986.79x = 287,696,080,312,094.81
  5. Step 5: Solve for x
    x = 287,696,080,312,094.81/16,692,986.79
  6. Step 6: Final answer
    x = 17,234,547.89

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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.