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Finding the Fourth Proportional to 60,485.68, 83,475.04 and 33,636.88

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Solution

The fourth proportional to 60,485.68, 83,475.04 and 33,636.88 is: 46,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,485.68 : 83,475.04 = 33,636.88 : x
  2. Step 2: Convert to fraction form
    60,485.68/83,475.04 = 33,636.88/x
  3. Step 3: Cross multiply
    60,485.68x = 83,475.04 × 33,636.88
  4. Step 4: Simplify right side
    60,485.68x = 2,807,839,903.48
  5. Step 5: Solve for x
    x = 2,807,839,903.48/60,485.68
  6. Step 6: Final answer
    x = 46,421.56

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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.