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Finding the Fourth Proportional to 14,903.84, 22,360.64 and 7,111.64

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Solution

The fourth proportional to 14,903.84, 22,360.64 and 7,111.64 is: 10,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.84 : 22,360.64 = 7,111.64 : x
  2. Step 2: Convert to fraction form
    14,903.84/22,360.64 = 7,111.64/x
  3. Step 3: Cross multiply
    14,903.84x = 22,360.64 × 7,111.64
  4. Step 4: Simplify right side
    14,903.84x = 159,020,821.85
  5. Step 5: Solve for x
    x = 159,020,821.85/14,903.84
  6. Step 6: Final answer
    x = 10,669.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.