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Finding the Fourth Proportional to 35,958,578.60, 53,944,866.30 and 10,400,421.80

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Solution

The fourth proportional to 35,958,578.60, 53,944,866.30 and 10,400,421.80 is: 15,602,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958,578.60 : 53,944,866.30 = 10,400,421.80 : x
  2. Step 2: Convert to fraction form
    35,958,578.60/53,944,866.30 = 10,400,421.80/x
  3. Step 3: Cross multiply
    35,958,578.60x = 53,944,866.30 × 10,400,421.80
  4. Step 4: Simplify right side
    35,958,578.60x = 561,049,363,464,605.38
  5. Step 5: Solve for x
    x = 561,049,363,464,605.38/35,958,578.60
  6. Step 6: Final answer
    x = 15,602,656.87

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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.