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Finding the Fourth Proportional to 55,216.60, 82,824.90 and 38,595.40

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Solution

The fourth proportional to 55,216.60, 82,824.90 and 38,595.40 is: 57,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.60 : 82,824.90 = 38,595.40 : x
  2. Step 2: Convert to fraction form
    55,216.60/82,824.90 = 38,595.40/x
  3. Step 3: Cross multiply
    55,216.60x = 82,824.90 × 38,595.40
  4. Step 4: Simplify right side
    55,216.60x = 3,196,660,145.46
  5. Step 5: Solve for x
    x = 3,196,660,145.46/55,216.60
  6. Step 6: Final answer
    x = 57,893.10

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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.