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Finding the Fourth Proportional to 61,983.63, 85,533.80 and 33,689.07

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Solution

The fourth proportional to 61,983.63, 85,533.80 and 33,689.07 is: 46,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983.63 : 85,533.80 = 33,689.07 : x
  2. Step 2: Convert to fraction form
    61,983.63/85,533.80 = 33,689.07/x
  3. Step 3: Cross multiply
    61,983.63x = 85,533.80 × 33,689.07
  4. Step 4: Simplify right side
    61,983.63x = 2,881,554,007.12
  5. Step 5: Solve for x
    x = 2,881,554,007.12/61,983.63
  6. Step 6: Final answer
    x = 46,488.95

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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.