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Finding the Fourth Proportional to 14,505.93, 20,018.16 and 8,840.67

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Solution

The fourth proportional to 14,505.93, 20,018.16 and 8,840.67 is: 12,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.93 : 20,018.16 = 8,840.67 : x
  2. Step 2: Convert to fraction form
    14,505.93/20,018.16 = 8,840.67/x
  3. Step 3: Cross multiply
    14,505.93x = 20,018.16 × 8,840.67
  4. Step 4: Simplify right side
    14,505.93x = 176,973,946.57
  5. Step 5: Solve for x
    x = 176,973,946.57/14,505.93
  6. Step 6: Final answer
    x = 12,200.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.