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Finding the Fourth Proportional to 60,478.99, 83,463.95 and 33,620.91

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Solution

The fourth proportional to 60,478.99, 83,463.95 and 33,620.91 is: 46,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478.99 : 83,463.95 = 33,620.91 : x
  2. Step 2: Convert to fraction form
    60,478.99/83,463.95 = 33,620.91/x
  3. Step 3: Cross multiply
    60,478.99x = 83,463.95 × 33,620.91
  4. Step 4: Simplify right side
    60,478.99x = 2,806,133,722.26
  5. Step 5: Solve for x
    x = 2,806,133,722.26/60,478.99
  6. Step 6: Final answer
    x = 46,398.49

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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.