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Finding the Fourth Proportional to 48,783.72, 67,321.74 and 26,427.72

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Solution

The fourth proportional to 48,783.72, 67,321.74 and 26,427.72 is: 36,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,783.72 : 67,321.74 = 26,427.72 : x
  2. Step 2: Convert to fraction form
    48,783.72/67,321.74 = 26,427.72/x
  3. Step 3: Cross multiply
    48,783.72x = 67,321.74 × 26,427.72
  4. Step 4: Simplify right side
    48,783.72x = 1,779,160,094.63
  5. Step 5: Solve for x
    x = 1,779,160,094.63/48,783.72
  6. Step 6: Final answer
    x = 36,470.37

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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.