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Finding the Fourth Proportional to 47,295.84, 65,235.44 and 38,343.68

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Solution

The fourth proportional to 47,295.84, 65,235.44 and 38,343.68 is: 52,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,295.84 : 65,235.44 = 38,343.68 : x
  2. Step 2: Convert to fraction form
    47,295.84/65,235.44 = 38,343.68/x
  3. Step 3: Cross multiply
    47,295.84x = 65,235.44 × 38,343.68
  4. Step 4: Simplify right side
    47,295.84x = 2,501,366,836.02
  5. Step 5: Solve for x
    x = 2,501,366,836.02/47,295.84
  6. Step 6: Final answer
    x = 52,887.67

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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.