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Finding the Fourth Proportional to 38,770.84, 58,155.04 and 11,068.84

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Solution

The fourth proportional to 38,770.84, 58,155.04 and 11,068.84 is: 16,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770.84 : 58,155.04 = 11,068.84 : x
  2. Step 2: Convert to fraction form
    38,770.84/58,155.04 = 11,068.84/x
  3. Step 3: Cross multiply
    38,770.84x = 58,155.04 × 11,068.84
  4. Step 4: Simplify right side
    38,770.84x = 643,708,832.95
  5. Step 5: Solve for x
    x = 643,708,832.95/38,770.84
  6. Step 6: Final answer
    x = 16,602.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.