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Finding the Fourth Proportional to 15,659.94, 23,488.84 and 7,341.81

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Solution

The fourth proportional to 15,659.94, 23,488.84 and 7,341.81 is: 11,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.94 : 23,488.84 = 7,341.81 : x
  2. Step 2: Convert to fraction form
    15,659.94/23,488.84 = 7,341.81/x
  3. Step 3: Cross multiply
    15,659.94x = 23,488.84 × 7,341.81
  4. Step 4: Simplify right side
    15,659.94x = 172,450,600.40
  5. Step 5: Solve for x
    x = 172,450,600.40/15,659.94
  6. Step 6: Final answer
    x = 11,012.21

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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.