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Finding the Fourth Proportional to 12,753.99, 19,095.48 and 9,624.51

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Solution

The fourth proportional to 12,753.99, 19,095.48 and 9,624.51 is: 14,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.99 : 19,095.48 = 9,624.51 : x
  2. Step 2: Convert to fraction form
    12,753.99/19,095.48 = 9,624.51/x
  3. Step 3: Cross multiply
    12,753.99x = 19,095.48 × 9,624.51
  4. Step 4: Simplify right side
    12,753.99x = 183,784,638.21
  5. Step 5: Solve for x
    x = 183,784,638.21/12,753.99
  6. Step 6: Final answer
    x = 14,409.97

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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.