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Finding the Fourth Proportional to 15,339.69, 22,881.77 and 15,085.67

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Solution

The fourth proportional to 15,339.69, 22,881.77 and 15,085.67 is: 22,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.69 : 22,881.77 = 15,085.67 : x
  2. Step 2: Convert to fraction form
    15,339.69/22,881.77 = 15,085.67/x
  3. Step 3: Cross multiply
    15,339.69x = 22,881.77 × 15,085.67
  4. Step 4: Simplify right side
    15,339.69x = 345,186,813.01
  5. Step 5: Solve for x
    x = 345,186,813.01/15,339.69
  6. Step 6: Final answer
    x = 22,502.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.