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Finding the Fourth Proportional to 60,133.60, 90,152.34 and 28,527.76

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Solution

The fourth proportional to 60,133.60, 90,152.34 and 28,527.76 is: 42,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,133.60 : 90,152.34 = 28,527.76 : x
  2. Step 2: Convert to fraction form
    60,133.60/90,152.34 = 28,527.76/x
  3. Step 3: Cross multiply
    60,133.60x = 90,152.34 × 28,527.76
  4. Step 4: Simplify right side
    60,133.60x = 2,571,844,318.96
  5. Step 5: Solve for x
    x = 2,571,844,318.96/60,133.60
  6. Step 6: Final answer
    x = 42,768.84

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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.