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Finding the Fourth Proportional to 24,986.40, 37,479.60 and 6,518.40

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Solution

The fourth proportional to 24,986.40, 37,479.60 and 6,518.40 is: 9,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,986.40 : 37,479.60 = 6,518.40 : x
  2. Step 2: Convert to fraction form
    24,986.40/37,479.60 = 6,518.40/x
  3. Step 3: Cross multiply
    24,986.40x = 37,479.60 × 6,518.40
  4. Step 4: Simplify right side
    24,986.40x = 244,307,024.64
  5. Step 5: Solve for x
    x = 244,307,024.64/24,986.40
  6. Step 6: Final answer
    x = 9,777.60

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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.