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Finding the Fourth Proportional to 47,197.64, 65,130.28 and 25,972.84

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Solution

The fourth proportional to 47,197.64, 65,130.28 and 25,972.84 is: 35,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,197.64 : 65,130.28 = 25,972.84 : x
  2. Step 2: Convert to fraction form
    47,197.64/65,130.28 = 25,972.84/x
  3. Step 3: Cross multiply
    47,197.64x = 65,130.28 × 25,972.84
  4. Step 4: Simplify right side
    47,197.64x = 1,691,618,341.60
  5. Step 5: Solve for x
    x = 1,691,618,341.60/47,197.64
  6. Step 6: Final answer
    x = 35,841.16

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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.