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Finding the Fourth Proportional to 68,622.96, 94,700.16 and 38,411.07

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Solution

The fourth proportional to 68,622.96, 94,700.16 and 38,411.07 is: 53,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.96 : 94,700.16 = 38,411.07 : x
  2. Step 2: Convert to fraction form
    68,622.96/94,700.16 = 38,411.07/x
  3. Step 3: Cross multiply
    68,622.96x = 94,700.16 × 38,411.07
  4. Step 4: Simplify right side
    68,622.96x = 3,637,534,474.77
  5. Step 5: Solve for x
    x = 3,637,534,474.77/68,622.96
  6. Step 6: Final answer
    x = 53,007.54

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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.