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Finding the Fourth Proportional to 60,707.68, 83,769.84 and 36,840.16

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Solution

The fourth proportional to 60,707.68, 83,769.84 and 36,840.16 is: 50,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,707.68 : 83,769.84 = 36,840.16 : x
  2. Step 2: Convert to fraction form
    60,707.68/83,769.84 = 36,840.16/x
  3. Step 3: Cross multiply
    60,707.68x = 83,769.84 × 36,840.16
  4. Step 4: Simplify right side
    60,707.68x = 3,086,094,308.77
  5. Step 5: Solve for x
    x = 3,086,094,308.77/60,707.68
  6. Step 6: Final answer
    x = 50,835.32

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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.