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Finding the Fourth Proportional to 31,968,008.80, 47,896,900.80 and 14,893,662.40

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Solution

The fourth proportional to 31,968,008.80, 47,896,900.80 and 14,893,662.40 is: 22,314,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968,008.80 : 47,896,900.80 = 14,893,662.40 : x
  2. Step 2: Convert to fraction form
    31,968,008.80/47,896,900.80 = 14,893,662.40/x
  3. Step 3: Cross multiply
    31,968,008.80x = 47,896,900.80 × 14,893,662.40
  4. Step 4: Simplify right side
    31,968,008.80x = 713,360,270,521,489.88
  5. Step 5: Solve for x
    x = 713,360,270,521,489.88/31,968,008.80
  6. Step 6: Final answer
    x = 22,314,817.13

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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.