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Finding the Fourth Proportional to 60,638.40, 83,671.02 and 33,774.84

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Solution

The fourth proportional to 60,638.40, 83,671.02 and 33,774.84 is: 46,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.40 : 83,671.02 = 33,774.84 : x
  2. Step 2: Convert to fraction form
    60,638.40/83,671.02 = 33,774.84/x
  3. Step 3: Cross multiply
    60,638.40x = 83,671.02 × 33,774.84
  4. Step 4: Simplify right side
    60,638.40x = 2,825,975,313.14
  5. Step 5: Solve for x
    x = 2,825,975,313.14/60,638.40
  6. Step 6: Final answer
    x = 46,603.72

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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.