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Finding the Fourth Proportional to 30,403.77, 45,612.69 and 9,627.27

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Solution

The fourth proportional to 30,403.77, 45,612.69 and 9,627.27 is: 14,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.77 : 45,612.69 = 9,627.27 : x
  2. Step 2: Convert to fraction form
    30,403.77/45,612.69 = 9,627.27/x
  3. Step 3: Cross multiply
    30,403.77x = 45,612.69 × 9,627.27
  4. Step 4: Simplify right side
    30,403.77x = 439,125,682.06
  5. Step 5: Solve for x
    x = 439,125,682.06/30,403.77
  6. Step 6: Final answer
    x = 14,443.13

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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.