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Finding the Fourth Proportional to 30,347.88, 45,521.82 and 9,573

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Solution

The fourth proportional to 30,347.88, 45,521.82 and 9,573 is: 14,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.88 : 45,521.82 = 9,573 : x
  2. Step 2: Convert to fraction form
    30,347.88/45,521.82 = 9,573/x
  3. Step 3: Cross multiply
    30,347.88x = 45,521.82 × 9,573
  4. Step 4: Simplify right side
    30,347.88x = 435,780,382.86
  5. Step 5: Solve for x
    x = 435,780,382.86/30,347.88
  6. Step 6: Final answer
    x = 14,359.50

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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.