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Finding the Fourth Proportional to 38,706.99, 58,061.03 and 11,004.99

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Solution

The fourth proportional to 38,706.99, 58,061.03 and 11,004.99 is: 16,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,706.99 : 58,061.03 = 11,004.99 : x
  2. Step 2: Convert to fraction form
    38,706.99/58,061.03 = 11,004.99/x
  3. Step 3: Cross multiply
    38,706.99x = 58,061.03 × 11,004.99
  4. Step 4: Simplify right side
    38,706.99x = 638,960,999.51
  5. Step 5: Solve for x
    x = 638,960,999.51/38,706.99
  6. Step 6: Final answer
    x = 16,507.64

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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.