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Finding the Fourth Proportional to 62,068.88, 85,655.46 and 33,774.77

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Solution

The fourth proportional to 62,068.88, 85,655.46 and 33,774.77 is: 46,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,068.88 : 85,655.46 = 33,774.77 : x
  2. Step 2: Convert to fraction form
    62,068.88/85,655.46 = 33,774.77/x
  3. Step 3: Cross multiply
    62,068.88x = 85,655.46 × 33,774.77
  4. Step 4: Simplify right side
    62,068.88x = 2,892,993,032.47
  5. Step 5: Solve for x
    x = 2,892,993,032.47/62,068.88
  6. Step 6: Final answer
    x = 46,609.40

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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.