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Finding the Fourth Proportional to 70,623.50, 97,460.44 and 38,792.94

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Solution

The fourth proportional to 70,623.50, 97,460.44 and 38,792.94 is: 53,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.50 : 97,460.44 = 38,792.94 : x
  2. Step 2: Convert to fraction form
    70,623.50/97,460.44 = 38,792.94/x
  3. Step 3: Cross multiply
    70,623.50x = 97,460.44 × 38,792.94
  4. Step 4: Simplify right side
    70,623.50x = 3,780,777,001.29
  5. Step 5: Solve for x
    x = 3,780,777,001.29/70,623.50
  6. Step 6: Final answer
    x = 53,534.26

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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.