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Finding the Fourth Proportional to 24,807.60, 37,211.40 and 8,391.60

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Solution

The fourth proportional to 24,807.60, 37,211.40 and 8,391.60 is: 12,587.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,807.60 : 37,211.40 = 8,391.60 : x
  2. Step 2: Convert to fraction form
    24,807.60/37,211.40 = 8,391.60/x
  3. Step 3: Cross multiply
    24,807.60x = 37,211.40 × 8,391.60
  4. Step 4: Simplify right side
    24,807.60x = 312,263,184.24
  5. Step 5: Solve for x
    x = 312,263,184.24/24,807.60
  6. Step 6: Final answer
    x = 12,587.40

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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.