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Finding the Fourth Proportional to 14,679,854.55, 20,594,311.65 and 14,679,854.55

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Solution

The fourth proportional to 14,679,854.55, 20,594,311.65 and 14,679,854.55 is: 20,594,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679,854.55 : 20,594,311.65 = 14,679,854.55 : x
  2. Step 2: Convert to fraction form
    14,679,854.55/20,594,311.65 = 14,679,854.55/x
  3. Step 3: Cross multiply
    14,679,854.55x = 20,594,311.65 × 14,679,854.55
  4. Step 4: Simplify right side
    14,679,854.55x = 302,321,499,579,370.50
  5. Step 5: Solve for x
    x = 302,321,499,579,370.50/14,679,854.55
  6. Step 6: Final answer
    x = 20,594,311.65

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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.