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Finding the Fourth Proportional to 29,916,607.60, 44,897,029.80 and 11,978,585.20

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Solution

The fourth proportional to 29,916,607.60, 44,897,029.80 and 11,978,585.20 is: 17,976,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,916,607.60 : 44,897,029.80 = 11,978,585.20 : x
  2. Step 2: Convert to fraction form
    29,916,607.60/44,897,029.80 = 11,978,585.20/x
  3. Step 3: Cross multiply
    29,916,607.60x = 44,897,029.80 × 11,978,585.20
  4. Step 4: Simplify right side
    29,916,607.60x = 537,802,896,686,238.88
  5. Step 5: Solve for x
    x = 537,802,896,686,238.88/29,916,607.60
  6. Step 6: Final answer
    x = 17,976,733.99

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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.