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Finding the Fourth Proportional to 30,599,562.80, 45,899,344.20 and 10,404,804.80

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Solution

The fourth proportional to 30,599,562.80, 45,899,344.20 and 10,404,804.80 is: 15,607,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599,562.80 : 45,899,344.20 = 10,404,804.80 : x
  2. Step 2: Convert to fraction form
    30,599,562.80/45,899,344.20 = 10,404,804.80/x
  3. Step 3: Cross multiply
    30,599,562.80x = 45,899,344.20 × 10,404,804.80
  4. Step 4: Simplify right side
    30,599,562.80x = 477,573,716,849,012.25
  5. Step 5: Solve for x
    x = 477,573,716,849,012.25/30,599,562.80
  6. Step 6: Final answer
    x = 15,607,207.20

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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.