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Finding the Fourth Proportional to 47,358.38, 65,354.70 and 25,848.32

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Solution

The fourth proportional to 47,358.38, 65,354.70 and 25,848.32 is: 35,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,358.38 : 65,354.70 = 25,848.32 : x
  2. Step 2: Convert to fraction form
    47,358.38/65,354.70 = 25,848.32/x
  3. Step 3: Cross multiply
    47,358.38x = 65,354.70 × 25,848.32
  4. Step 4: Simplify right side
    47,358.38x = 1,689,309,199.10
  5. Step 5: Solve for x
    x = 1,689,309,199.10/47,358.38
  6. Step 6: Final answer
    x = 35,670.76

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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.