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Finding the Fourth Proportional to 19,047.48, 28,572.02 and 5,900.10

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Solution

The fourth proportional to 19,047.48, 28,572.02 and 5,900.10 is: 8,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.48 : 28,572.02 = 5,900.10 : x
  2. Step 2: Convert to fraction form
    19,047.48/28,572.02 = 5,900.10/x
  3. Step 3: Cross multiply
    19,047.48x = 28,572.02 × 5,900.10
  4. Step 4: Simplify right side
    19,047.48x = 168,577,775.20
  5. Step 5: Solve for x
    x = 168,577,775.20/19,047.48
  6. Step 6: Final answer
    x = 8,850.40

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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.