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Finding the Fourth Proportional to 15,782.66, 23,571.66 and 14,298.92

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Solution

The fourth proportional to 15,782.66, 23,571.66 and 14,298.92 is: 21,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.66 : 23,571.66 = 14,298.92 : x
  2. Step 2: Convert to fraction form
    15,782.66/23,571.66 = 14,298.92/x
  3. Step 3: Cross multiply
    15,782.66x = 23,571.66 × 14,298.92
  4. Step 4: Simplify right side
    15,782.66x = 337,049,280.61
  5. Step 5: Solve for x
    x = 337,049,280.61/15,782.66
  6. Step 6: Final answer
    x = 21,355.67

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Double scale
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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.