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Finding the Fourth Proportional to 65,250.63, 90,044.36 and 38,024.98

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Solution

The fourth proportional to 65,250.63, 90,044.36 and 38,024.98 is: 52,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.63 : 90,044.36 = 38,024.98 : x
  2. Step 2: Convert to fraction form
    65,250.63/90,044.36 = 38,024.98/x
  3. Step 3: Cross multiply
    65,250.63x = 90,044.36 × 38,024.98
  4. Step 4: Simplify right side
    65,250.63x = 3,423,934,537.89
  5. Step 5: Solve for x
    x = 3,423,934,537.89/65,250.63
  6. Step 6: Final answer
    x = 52,473.59

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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.