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Finding the Fourth Proportional to 36,993,104.40, 55,442,417.40 and 28,430,999.40

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Solution

The fourth proportional to 36,993,104.40, 55,442,417.40 and 28,430,999.40 is: 42,610,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993,104.40 : 55,442,417.40 = 28,430,999.40 : x
  2. Step 2: Convert to fraction form
    36,993,104.40/55,442,417.40 = 28,430,999.40/x
  3. Step 3: Cross multiply
    36,993,104.40x = 55,442,417.40 × 28,430,999.40
  4. Step 4: Simplify right side
    36,993,104.40x = 1,576,283,335,833,949.50
  5. Step 5: Solve for x
    x = 1,576,283,335,833,949.50/36,993,104.40
  6. Step 6: Final answer
    x = 42,610,193.48

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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.