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Finding the Fourth Proportional to 32,518.44, 48,807.90 and 12,810.60

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Solution

The fourth proportional to 32,518.44, 48,807.90 and 12,810.60 is: 19,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,518.44 : 48,807.90 = 12,810.60 : x
  2. Step 2: Convert to fraction form
    32,518.44/48,807.90 = 12,810.60/x
  3. Step 3: Cross multiply
    32,518.44x = 48,807.90 × 12,810.60
  4. Step 4: Simplify right side
    32,518.44x = 625,258,483.74
  5. Step 5: Solve for x
    x = 625,258,483.74/32,518.44
  6. Step 6: Final answer
    x = 19,227.81

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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.