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Finding the Fourth Proportional to 29,841,868.80, 44,762,803.20 and 8,276,428.80

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Solution

The fourth proportional to 29,841,868.80, 44,762,803.20 and 8,276,428.80 is: 12,414,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,841,868.80 : 44,762,803.20 = 8,276,428.80 : x
  2. Step 2: Convert to fraction form
    29,841,868.80/44,762,803.20 = 8,276,428.80/x
  3. Step 3: Cross multiply
    29,841,868.80x = 44,762,803.20 × 8,276,428.80
  4. Step 4: Simplify right side
    29,841,868.80x = 370,476,153,573,212.19
  5. Step 5: Solve for x
    x = 370,476,153,573,212.19/29,841,868.80
  6. Step 6: Final answer
    x = 12,414,643.20

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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.