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Finding the Fourth Proportional to 30,603.44, 45,898.68 and 9,822.08

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Solution

The fourth proportional to 30,603.44, 45,898.68 and 9,822.08 is: 14,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.44 : 45,898.68 = 9,822.08 : x
  2. Step 2: Convert to fraction form
    30,603.44/45,898.68 = 9,822.08/x
  3. Step 3: Cross multiply
    30,603.44x = 45,898.68 × 9,822.08
  4. Step 4: Simplify right side
    30,603.44x = 450,820,506.85
  5. Step 5: Solve for x
    x = 450,820,506.85/30,603.44
  6. Step 6: Final answer
    x = 14,731.04

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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.