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Finding the Fourth Proportional to 29,896,581.80, 44,809,443.30 and 15,512,245.40

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Solution

The fourth proportional to 29,896,581.80, 44,809,443.30 and 15,512,245.40 is: 23,249,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896,581.80 : 44,809,443.30 = 15,512,245.40 : x
  2. Step 2: Convert to fraction form
    29,896,581.80/44,809,443.30 = 15,512,245.40/x
  3. Step 3: Cross multiply
    29,896,581.80x = 44,809,443.30 × 15,512,245.40
  4. Step 4: Simplify right side
    29,896,581.80x = 695,095,080,706,985.75
  5. Step 5: Solve for x
    x = 695,095,080,706,985.75/29,896,581.80
  6. Step 6: Final answer
    x = 23,249,985.08

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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.