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Finding the Fourth Proportional to 32,535.60, 48,803.40 and 7,911.60

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Solution

The fourth proportional to 32,535.60, 48,803.40 and 7,911.60 is: 11,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,535.60 : 48,803.40 = 7,911.60 : x
  2. Step 2: Convert to fraction form
    32,535.60/48,803.40 = 7,911.60/x
  3. Step 3: Cross multiply
    32,535.60x = 48,803.40 × 7,911.60
  4. Step 4: Simplify right side
    32,535.60x = 386,112,979.44
  5. Step 5: Solve for x
    x = 386,112,979.44/32,535.60
  6. Step 6: Final answer
    x = 11,867.40

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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.