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Finding the Fourth Proportional to 14,569,377.40, 20,426,988.20 and 14,569,377.40

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Solution

The fourth proportional to 14,569,377.40, 20,426,988.20 and 14,569,377.40 is: 20,426,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,377.40 : 20,426,988.20 = 14,569,377.40 : x
  2. Step 2: Convert to fraction form
    14,569,377.40/20,426,988.20 = 14,569,377.40/x
  3. Step 3: Cross multiply
    14,569,377.40x = 20,426,988.20 × 14,569,377.40
  4. Step 4: Simplify right side
    14,569,377.40x = 297,608,500,231,146.69
  5. Step 5: Solve for x
    x = 297,608,500,231,146.69/14,569,377.40
  6. Step 6: Final answer
    x = 20,426,988.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.