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Finding the Fourth Proportional to 47,425.60, 65,448.60 and 26,206.20

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Solution

The fourth proportional to 47,425.60, 65,448.60 and 26,206.20 is: 36,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.60 : 65,448.60 = 26,206.20 : x
  2. Step 2: Convert to fraction form
    47,425.60/65,448.60 = 26,206.20/x
  3. Step 3: Cross multiply
    47,425.60x = 65,448.60 × 26,206.20
  4. Step 4: Simplify right side
    47,425.60x = 1,715,159,101.32
  5. Step 5: Solve for x
    x = 1,715,159,101.32/47,425.60
  6. Step 6: Final answer
    x = 36,165.26

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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.