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Finding the Fourth Proportional to 47,258.55, 66,249.45 and 47,258.55

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Solution

The fourth proportional to 47,258.55, 66,249.45 and 47,258.55 is: 66,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258.55 : 66,249.45 = 47,258.55 : x
  2. Step 2: Convert to fraction form
    47,258.55/66,249.45 = 47,258.55/x
  3. Step 3: Cross multiply
    47,258.55x = 66,249.45 × 47,258.55
  4. Step 4: Simplify right side
    47,258.55x = 3,130,852,945.30
  5. Step 5: Solve for x
    x = 3,130,852,945.30/47,258.55
  6. Step 6: Final answer
    x = 66,249.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.