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Finding the Fourth Proportional to 48,786.76, 67,325.74 and 26,430.76

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Solution

The fourth proportional to 48,786.76, 67,325.74 and 26,430.76 is: 36,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,786.76 : 67,325.74 = 26,430.76 : x
  2. Step 2: Convert to fraction form
    48,786.76/67,325.74 = 26,430.76/x
  3. Step 3: Cross multiply
    48,786.76x = 67,325.74 × 26,430.76
  4. Step 4: Simplify right side
    48,786.76x = 1,779,470,475.76
  5. Step 5: Solve for x
    x = 1,779,470,475.76/48,786.76
  6. Step 6: Final answer
    x = 36,474.45

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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.