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Finding the Fourth Proportional to 48,785, 67,323.32 and 26,429

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Solution

The fourth proportional to 48,785, 67,323.32 and 26,429 is: 36,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,785 : 67,323.32 = 26,429 : x
  2. Step 2: Convert to fraction form
    48,785/67,323.32 = 26,429/x
  3. Step 3: Cross multiply
    48,785x = 67,323.32 × 26,429
  4. Step 4: Simplify right side
    48,785x = 1,779,288,024.28
  5. Step 5: Solve for x
    x = 1,779,288,024.28/48,785
  6. Step 6: Final answer
    x = 36,472.03

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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.