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Finding the Fourth Proportional to 60,232.57, 90,349.57 and 28,645.68

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Solution

The fourth proportional to 60,232.57, 90,349.57 and 28,645.68 is: 42,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,232.57 : 90,349.57 = 28,645.68 : x
  2. Step 2: Convert to fraction form
    60,232.57/90,349.57 = 28,645.68/x
  3. Step 3: Cross multiply
    60,232.57x = 90,349.57 × 28,645.68
  4. Step 4: Simplify right side
    60,232.57x = 2,588,124,870.36
  5. Step 5: Solve for x
    x = 2,588,124,870.36/60,232.57
  6. Step 6: Final answer
    x = 42,968.86

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1.5x scale

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.