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Finding the Fourth Proportional to 11,741,641.60, 17,612,462.40 and 10,696,547.20

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Solution

The fourth proportional to 11,741,641.60, 17,612,462.40 and 10,696,547.20 is: 16,044,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741,641.60 : 17,612,462.40 = 10,696,547.20 : x
  2. Step 2: Convert to fraction form
    11,741,641.60/17,612,462.40 = 10,696,547.20/x
  3. Step 3: Cross multiply
    11,741,641.60x = 17,612,462.40 × 10,696,547.20
  4. Step 4: Simplify right side
    11,741,641.60x = 188,392,535,369,825.25
  5. Step 5: Solve for x
    x = 188,392,535,369,825.25/11,741,641.60
  6. Step 6: Final answer
    x = 16,044,820.80

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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.