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Finding the Fourth Proportional to 60,118.81, 90,200.08 and 28,538.53

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Solution

The fourth proportional to 60,118.81, 90,200.08 and 28,538.53 is: 42,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,118.81 : 90,200.08 = 28,538.53 : x
  2. Step 2: Convert to fraction form
    60,118.81/90,200.08 = 28,538.53/x
  3. Step 3: Cross multiply
    60,118.81x = 90,200.08 × 28,538.53
  4. Step 4: Simplify right side
    60,118.81x = 2,574,177,499.26
  5. Step 5: Solve for x
    x = 2,574,177,499.26/60,118.81
  6. Step 6: Final answer
    x = 42,818.17

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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.