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Finding the Fourth Proportional to 14,798,509.68, 20,424,542.04 and 8,605,472.88

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Solution

The fourth proportional to 14,798,509.68, 20,424,542.04 and 8,605,472.88 is: 11,877,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798,509.68 : 20,424,542.04 = 8,605,472.88 : x
  2. Step 2: Convert to fraction form
    14,798,509.68/20,424,542.04 = 8,605,472.88/x
  3. Step 3: Cross multiply
    14,798,509.68x = 20,424,542.04 × 8,605,472.88
  4. Step 4: Simplify right side
    14,798,509.68x = 175,762,842,611,639.88
  5. Step 5: Solve for x
    x = 175,762,842,611,639.88/14,798,509.68
  6. Step 6: Final answer
    x = 11,877,063.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.