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Finding the Fourth Proportional to 35,235,648.80, 52,837,726.80 and 13,663,080.80

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Solution

The fourth proportional to 35,235,648.80, 52,837,726.80 and 13,663,080.80 is: 20,488,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,235,648.80 : 52,837,726.80 = 13,663,080.80 : x
  2. Step 2: Convert to fraction form
    35,235,648.80/52,837,726.80 = 13,663,080.80/x
  3. Step 3: Cross multiply
    35,235,648.80x = 52,837,726.80 × 13,663,080.80
  4. Step 4: Simplify right side
    35,235,648.80x = 721,926,130,556,725.50
  5. Step 5: Solve for x
    x = 721,926,130,556,725.50/35,235,648.80
  6. Step 6: Final answer
    x = 20,488,515.33

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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.