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Finding the Fourth Proportional to 18,754.04, 28,130.52 and 4,903.04

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Solution

The fourth proportional to 18,754.04, 28,130.52 and 4,903.04 is: 7,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.04 : 28,130.52 = 4,903.04 : x
  2. Step 2: Convert to fraction form
    18,754.04/28,130.52 = 4,903.04/x
  3. Step 3: Cross multiply
    18,754.04x = 28,130.52 × 4,903.04
  4. Step 4: Simplify right side
    18,754.04x = 137,925,064.78
  5. Step 5: Solve for x
    x = 137,925,064.78/18,754.04
  6. Step 6: Final answer
    x = 7,354.42

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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.