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Finding the Fourth Proportional to 61,948.40, 85,484.58 and 33,653.48

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Solution

The fourth proportional to 61,948.40, 85,484.58 and 33,653.48 is: 46,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,948.40 : 85,484.58 = 33,653.48 : x
  2. Step 2: Convert to fraction form
    61,948.40/85,484.58 = 33,653.48/x
  3. Step 3: Cross multiply
    61,948.40x = 85,484.58 × 33,653.48
  4. Step 4: Simplify right side
    61,948.40x = 2,876,853,603.34
  5. Step 5: Solve for x
    x = 2,876,853,603.34/61,948.40
  6. Step 6: Final answer
    x = 46,439.51

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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.