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Finding the Fourth Proportional to 18,483.42, 25,510.08 and 14,534.52

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Solution

The fourth proportional to 18,483.42, 25,510.08 and 14,534.52 is: 20,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.42 : 25,510.08 = 14,534.52 : x
  2. Step 2: Convert to fraction form
    18,483.42/25,510.08 = 14,534.52/x
  3. Step 3: Cross multiply
    18,483.42x = 25,510.08 × 14,534.52
  4. Step 4: Simplify right side
    18,483.42x = 370,776,767.96
  5. Step 5: Solve for x
    x = 370,776,767.96/18,483.42
  6. Step 6: Final answer
    x = 20,059.97

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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.