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Finding the Fourth Proportional to 30,474.56, 45,718.32 and 10,752.32

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Solution

The fourth proportional to 30,474.56, 45,718.32 and 10,752.32 is: 16,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.56 : 45,718.32 = 10,752.32 : x
  2. Step 2: Convert to fraction form
    30,474.56/45,718.32 = 10,752.32/x
  3. Step 3: Cross multiply
    30,474.56x = 45,718.32 × 10,752.32
  4. Step 4: Simplify right side
    30,474.56x = 491,578,006.50
  5. Step 5: Solve for x
    x = 491,578,006.50/30,474.56
  6. Step 6: Final answer
    x = 16,130.77

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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.