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Finding the Fourth Proportional to 58,365.98, 80,578.23 and 38,551.58

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Solution

The fourth proportional to 58,365.98, 80,578.23 and 38,551.58 is: 53,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,365.98 : 80,578.23 = 38,551.58 : x
  2. Step 2: Convert to fraction form
    58,365.98/80,578.23 = 38,551.58/x
  3. Step 3: Cross multiply
    58,365.98x = 80,578.23 × 38,551.58
  4. Step 4: Simplify right side
    58,365.98x = 3,106,418,080.10
  5. Step 5: Solve for x
    x = 3,106,418,080.10/58,365.98
  6. Step 6: Final answer
    x = 53,223.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.