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Finding the Fourth Proportional to 19,313.84, 28,964.57 and 9,952.62

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Solution

The fourth proportional to 19,313.84, 28,964.57 and 9,952.62 is: 14,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.84 : 28,964.57 = 9,952.62 : x
  2. Step 2: Convert to fraction form
    19,313.84/28,964.57 = 9,952.62/x
  3. Step 3: Cross multiply
    19,313.84x = 28,964.57 × 9,952.62
  4. Step 4: Simplify right side
    19,313.84x = 288,273,308.91
  5. Step 5: Solve for x
    x = 288,273,308.91/19,313.84
  6. Step 6: Final answer
    x = 14,925.74

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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.