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Finding the Fourth Proportional to 55,358.40, 83,037.60 and 52,296.60

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Solution

The fourth proportional to 55,358.40, 83,037.60 and 52,296.60 is: 78,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358.40 : 83,037.60 = 52,296.60 : x
  2. Step 2: Convert to fraction form
    55,358.40/83,037.60 = 52,296.60/x
  3. Step 3: Cross multiply
    55,358.40x = 83,037.60 × 52,296.60
  4. Step 4: Simplify right side
    55,358.40x = 4,342,584,152.16
  5. Step 5: Solve for x
    x = 4,342,584,152.16/55,358.40
  6. Step 6: Final answer
    x = 78,444.90

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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.