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Finding the Fourth Proportional to 47,368.32, 65,372.64 and 33,048.93

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Solution

The fourth proportional to 47,368.32, 65,372.64 and 33,048.93 is: 45,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.32 : 65,372.64 = 33,048.93 : x
  2. Step 2: Convert to fraction form
    47,368.32/65,372.64 = 33,048.93/x
  3. Step 3: Cross multiply
    47,368.32x = 65,372.64 × 33,048.93
  4. Step 4: Simplify right side
    47,368.32x = 2,160,495,803.28
  5. Step 5: Solve for x
    x = 2,160,495,803.28/47,368.32
  6. Step 6: Final answer
    x = 45,610.56

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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.