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Finding the Fourth Proportional to 14,675,309.80, 20,587,949 and 14,675,309.80

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Solution

The fourth proportional to 14,675,309.80, 20,587,949 and 14,675,309.80 is: 20,587,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675,309.80 : 20,587,949 = 14,675,309.80 : x
  2. Step 2: Convert to fraction form
    14,675,309.80/20,587,949 = 14,675,309.80/x
  3. Step 3: Cross multiply
    14,675,309.80x = 20,587,949 × 14,675,309.80
  4. Step 4: Simplify right side
    14,675,309.80x = 302,134,529,721,600.19
  5. Step 5: Solve for x
    x = 302,134,529,721,600.19/14,675,309.80
  6. Step 6: Final answer
    x = 20,587,949.00

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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.