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Finding the Fourth Proportional to 17,903.91, 24,710.36 and 14,915.01

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Solution

The fourth proportional to 17,903.91, 24,710.36 and 14,915.01 is: 20,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.91 : 24,710.36 = 14,915.01 : x
  2. Step 2: Convert to fraction form
    17,903.91/24,710.36 = 14,915.01/x
  3. Step 3: Cross multiply
    17,903.91x = 24,710.36 × 14,915.01
  4. Step 4: Simplify right side
    17,903.91x = 368,555,191.93
  5. Step 5: Solve for x
    x = 368,555,191.93/17,903.91
  6. Step 6: Final answer
    x = 20,585.18

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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.