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Finding the Fourth Proportional to 68,697.01, 94,767.06 and 42,834.32

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Solution

The fourth proportional to 68,697.01, 94,767.06 and 42,834.32 is: 59,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,697.01 : 94,767.06 = 42,834.32 : x
  2. Step 2: Convert to fraction form
    68,697.01/94,767.06 = 42,834.32/x
  3. Step 3: Cross multiply
    68,697.01x = 94,767.06 × 42,834.32
  4. Step 4: Simplify right side
    68,697.01x = 4,059,282,615.67
  5. Step 5: Solve for x
    x = 4,059,282,615.67/68,697.01
  6. Step 6: Final answer
    x = 59,089.65

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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.