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Finding the Fourth Proportional to 60,653.80, 83,708.40 and 33,800.68

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Solution

The fourth proportional to 60,653.80, 83,708.40 and 33,800.68 is: 46,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,653.80 : 83,708.40 = 33,800.68 : x
  2. Step 2: Convert to fraction form
    60,653.80/83,708.40 = 33,800.68/x
  3. Step 3: Cross multiply
    60,653.80x = 83,708.40 × 33,800.68
  4. Step 4: Simplify right side
    60,653.80x = 2,829,400,841.71
  5. Step 5: Solve for x
    x = 2,829,400,841.71/60,653.80
  6. Step 6: Final answer
    x = 46,648.37

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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.