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Finding the Fourth Proportional to 60,314.20, 90,471.30 and 25,293.40

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Solution

The fourth proportional to 60,314.20, 90,471.30 and 25,293.40 is: 37,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,314.20 : 90,471.30 = 25,293.40 : x
  2. Step 2: Convert to fraction form
    60,314.20/90,471.30 = 25,293.40/x
  3. Step 3: Cross multiply
    60,314.20x = 90,471.30 × 25,293.40
  4. Step 4: Simplify right side
    60,314.20x = 2,288,326,779.42
  5. Step 5: Solve for x
    x = 2,288,326,779.42/60,314.20
  6. Step 6: Final answer
    x = 37,940.10

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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.