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Finding the Fourth Proportional to 29,643,310.80, 44,464,966.20 and 19,472,448.60

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Solution

The fourth proportional to 29,643,310.80, 44,464,966.20 and 19,472,448.60 is: 29,208,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643,310.80 : 44,464,966.20 = 19,472,448.60 : x
  2. Step 2: Convert to fraction form
    29,643,310.80/44,464,966.20 = 19,472,448.60/x
  3. Step 3: Cross multiply
    29,643,310.80x = 44,464,966.20 × 19,472,448.60
  4. Step 4: Simplify right side
    29,643,310.80x = 865,841,768,830,237.50
  5. Step 5: Solve for x
    x = 865,841,768,830,237.50/29,643,310.80
  6. Step 6: Final answer
    x = 29,208,672.90

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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.