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Finding the Fourth Proportional to 14,446.54, 19,938.51 and 8,783.06

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Solution

The fourth proportional to 14,446.54, 19,938.51 and 8,783.06 is: 12,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.54 : 19,938.51 = 8,783.06 : x
  2. Step 2: Convert to fraction form
    14,446.54/19,938.51 = 8,783.06/x
  3. Step 3: Cross multiply
    14,446.54x = 19,938.51 × 8,783.06
  4. Step 4: Simplify right side
    14,446.54x = 175,121,129.64
  5. Step 5: Solve for x
    x = 175,121,129.64/14,446.54
  6. Step 6: Final answer
    x = 12,122.01

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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.