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Finding the Fourth Proportional to 32,603.21, 48,948.55 and 19,300.78

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Solution

The fourth proportional to 32,603.21, 48,948.55 and 19,300.78 is: 28,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,603.21 : 48,948.55 = 19,300.78 : x
  2. Step 2: Convert to fraction form
    32,603.21/48,948.55 = 19,300.78/x
  3. Step 3: Cross multiply
    32,603.21x = 48,948.55 × 19,300.78
  4. Step 4: Simplify right side
    32,603.21x = 944,745,194.87
  5. Step 5: Solve for x
    x = 944,745,194.87/32,603.21
  6. Step 6: Final answer
    x = 28,977.06

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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.