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Finding the Fourth Proportional to 24,699.08, 34,085.70 and 13,521.08

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Solution

The fourth proportional to 24,699.08, 34,085.70 and 13,521.08 is: 18,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,699.08 : 34,085.70 = 13,521.08 : x
  2. Step 2: Convert to fraction form
    24,699.08/34,085.70 = 13,521.08/x
  3. Step 3: Cross multiply
    24,699.08x = 34,085.70 × 13,521.08
  4. Step 4: Simplify right side
    24,699.08x = 460,875,476.56
  5. Step 5: Solve for x
    x = 460,875,476.56/24,699.08
  6. Step 6: Final answer
    x = 18,659.62

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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.