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Finding the Fourth Proportional to 32,603.70, 48,905.55 and 11,819.70

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Solution

The fourth proportional to 32,603.70, 48,905.55 and 11,819.70 is: 17,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,603.70 : 48,905.55 = 11,819.70 : x
  2. Step 2: Convert to fraction form
    32,603.70/48,905.55 = 11,819.70/x
  3. Step 3: Cross multiply
    32,603.70x = 48,905.55 × 11,819.70
  4. Step 4: Simplify right side
    32,603.70x = 578,048,929.34
  5. Step 5: Solve for x
    x = 578,048,929.34/32,603.70
  6. Step 6: Final answer
    x = 17,729.55

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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.