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Finding the Fourth Proportional to 58,098.51, 80,200.50 and 39,261.15

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Solution

The fourth proportional to 58,098.51, 80,200.50 and 39,261.15 is: 54,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,098.51 : 80,200.50 = 39,261.15 : x
  2. Step 2: Convert to fraction form
    58,098.51/80,200.50 = 39,261.15/x
  3. Step 3: Cross multiply
    58,098.51x = 80,200.50 × 39,261.15
  4. Step 4: Simplify right side
    58,098.51x = 3,148,763,860.58
  5. Step 5: Solve for x
    x = 3,148,763,860.58/58,098.51
  6. Step 6: Final answer
    x = 54,196.98

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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.