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Finding the Fourth Proportional to 30,616.48, 45,866.08 and 14,774.74

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Solution

The fourth proportional to 30,616.48, 45,866.08 and 14,774.74 is: 22,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.48 : 45,866.08 = 14,774.74 : x
  2. Step 2: Convert to fraction form
    30,616.48/45,866.08 = 14,774.74/x
  3. Step 3: Cross multiply
    30,616.48x = 45,866.08 × 14,774.74
  4. Step 4: Simplify right side
    30,616.48x = 677,659,406.82
  5. Step 5: Solve for x
    x = 677,659,406.82/30,616.48
  6. Step 6: Final answer
    x = 22,133.81

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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.