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Finding the Fourth Proportional to 13,592.98, 18,758.00 and 7,624.51

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Solution

The fourth proportional to 13,592.98, 18,758.00 and 7,624.51 is: 10,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.98 : 18,758.00 = 7,624.51 : x
  2. Step 2: Convert to fraction form
    13,592.98/18,758.00 = 7,624.51/x
  3. Step 3: Cross multiply
    13,592.98x = 18,758.00 × 7,624.51
  4. Step 4: Simplify right side
    13,592.98x = 143,020,502.15
  5. Step 5: Solve for x
    x = 143,020,502.15/13,592.98
  6. Step 6: Final answer
    x = 10,521.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.