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Finding the Fourth Proportional to 62,208.63, 85,820.83 and 39,535.47

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Solution

The fourth proportional to 62,208.63, 85,820.83 and 39,535.47 is: 54,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,208.63 : 85,820.83 = 39,535.47 : x
  2. Step 2: Convert to fraction form
    62,208.63/85,820.83 = 39,535.47/x
  3. Step 3: Cross multiply
    62,208.63x = 85,820.83 × 39,535.47
  4. Step 4: Simplify right side
    62,208.63x = 3,392,966,849.84
  5. Step 5: Solve for x
    x = 3,392,966,849.84/62,208.63
  6. Step 6: Final answer
    x = 54,541.74

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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.