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Finding the Fourth Proportional to 60,478.84, 83,463.65 and 33,621.80

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Solution

The fourth proportional to 60,478.84, 83,463.65 and 33,621.80 is: 46,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478.84 : 83,463.65 = 33,621.80 : x
  2. Step 2: Convert to fraction form
    60,478.84/83,463.65 = 33,621.80/x
  3. Step 3: Cross multiply
    60,478.84x = 83,463.65 × 33,621.80
  4. Step 4: Simplify right side
    60,478.84x = 2,806,197,828.96
  5. Step 5: Solve for x
    x = 2,806,197,828.96/60,478.84
  6. Step 6: Final answer
    x = 46,399.66

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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.