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Finding the Fourth Proportional to 48,786.32, 67,325.48 and 26,430.48

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Solution

The fourth proportional to 48,786.32, 67,325.48 and 26,430.48 is: 36,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.32 : 67,325.48 = 26,430.48 : x
  2. Step 2: Convert to fraction form
    48,786.32/67,325.48 = 26,430.48/x
  3. Step 3: Cross multiply
    48,786.32x = 67,325.48 × 26,430.48
  4. Step 4: Simplify right side
    48,786.32x = 1,779,444,752.63
  5. Step 5: Solve for x
    x = 1,779,444,752.63/48,786.32
  6. Step 6: Final answer
    x = 36,474.26

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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.