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Finding the Fourth Proportional to 29,896,995.20, 44,845,492.80 and 28,404,003.20

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Solution

The fourth proportional to 29,896,995.20, 44,845,492.80 and 28,404,003.20 is: 42,606,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896,995.20 : 44,845,492.80 = 28,404,003.20 : x
  2. Step 2: Convert to fraction form
    29,896,995.20/44,845,492.80 = 28,404,003.20/x
  3. Step 3: Cross multiply
    29,896,995.20x = 44,845,492.80 × 28,404,003.20
  4. Step 4: Simplify right side
    29,896,995.20x = 1,273,791,520,996,776.75
  5. Step 5: Solve for x
    x = 1,273,791,520,996,776.75/29,896,995.20
  6. Step 6: Final answer
    x = 42,606,004.80

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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.