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Finding the Fourth Proportional to 30,305.58, 45,465.63 and 9,529.08

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Solution

The fourth proportional to 30,305.58, 45,465.63 and 9,529.08 is: 14,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.58 : 45,465.63 = 9,529.08 : x
  2. Step 2: Convert to fraction form
    30,305.58/45,465.63 = 9,529.08/x
  3. Step 3: Cross multiply
    30,305.58x = 45,465.63 × 9,529.08
  4. Step 4: Simplify right side
    30,305.58x = 433,245,625.52
  5. Step 5: Solve for x
    x = 433,245,625.52/30,305.58
  6. Step 6: Final answer
    x = 14,295.90

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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.