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Finding the Fourth Proportional to 30,602.77, 45,904.20 and 15,016.75

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Solution

The fourth proportional to 30,602.77, 45,904.20 and 15,016.75 is: 22,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602.77 : 45,904.20 = 15,016.75 : x
  2. Step 2: Convert to fraction form
    30,602.77/45,904.20 = 15,016.75/x
  3. Step 3: Cross multiply
    30,602.77x = 45,904.20 × 15,016.75
  4. Step 4: Simplify right side
    30,602.77x = 689,331,895.35
  5. Step 5: Solve for x
    x = 689,331,895.35/30,602.77
  6. Step 6: Final answer
    x = 22,525.15

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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.