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Finding the Fourth Proportional to 18,477.75, 25,499.93 and 10,094.79

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Solution

The fourth proportional to 18,477.75, 25,499.93 and 10,094.79 is: 13,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.75 : 25,499.93 = 10,094.79 : x
  2. Step 2: Convert to fraction form
    18,477.75/25,499.93 = 10,094.79/x
  3. Step 3: Cross multiply
    18,477.75x = 25,499.93 × 10,094.79
  4. Step 4: Simplify right side
    18,477.75x = 257,416,438.36
  5. Step 5: Solve for x
    x = 257,416,438.36/18,477.75
  6. Step 6: Final answer
    x = 13,931.16

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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.