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Finding the Fourth Proportional to 47,661.60, 65,775.60 and 27,518.52

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Solution

The fourth proportional to 47,661.60, 65,775.60 and 27,518.52 is: 37,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.60 : 65,775.60 = 27,518.52 : x
  2. Step 2: Convert to fraction form
    47,661.60/65,775.60 = 27,518.52/x
  3. Step 3: Cross multiply
    47,661.60x = 65,775.60 × 27,518.52
  4. Step 4: Simplify right side
    47,661.60x = 1,810,047,164.11
  5. Step 5: Solve for x
    x = 1,810,047,164.11/47,661.60
  6. Step 6: Final answer
    x = 37,977.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.