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Finding the Fourth Proportional to 60,468.60, 90,703.08 and 18,349.02

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Solution

The fourth proportional to 60,468.60, 90,703.08 and 18,349.02 is: 27,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,468.60 : 90,703.08 = 18,349.02 : x
  2. Step 2: Convert to fraction form
    60,468.60/90,703.08 = 18,349.02/x
  3. Step 3: Cross multiply
    60,468.60x = 90,703.08 × 18,349.02
  4. Step 4: Simplify right side
    60,468.60x = 1,664,312,628.98
  5. Step 5: Solve for x
    x = 1,664,312,628.98/60,468.60
  6. Step 6: Final answer
    x = 27,523.58

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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.