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Finding the Fourth Proportional to 15,117.69, 22,680.69 and 4,588.05

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Solution

The fourth proportional to 15,117.69, 22,680.69 and 4,588.05 is: 6,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.69 : 22,680.69 = 4,588.05 : x
  2. Step 2: Convert to fraction form
    15,117.69/22,680.69 = 4,588.05/x
  3. Step 3: Cross multiply
    15,117.69x = 22,680.69 × 4,588.05
  4. Step 4: Simplify right side
    15,117.69x = 104,060,139.75
  5. Step 5: Solve for x
    x = 104,060,139.75/15,117.69
  6. Step 6: Final answer
    x = 6,883.34

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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.