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Finding the Fourth Proportional to 61,007.84, 84,186.91 and 34,145.81

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Solution

The fourth proportional to 61,007.84, 84,186.91 and 34,145.81 is: 47,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,007.84 : 84,186.91 = 34,145.81 : x
  2. Step 2: Convert to fraction form
    61,007.84/84,186.91 = 34,145.81/x
  3. Step 3: Cross multiply
    61,007.84x = 84,186.91 × 34,145.81
  4. Step 4: Simplify right side
    61,007.84x = 2,874,630,233.35
  5. Step 5: Solve for x
    x = 2,874,630,233.35/61,007.84
  6. Step 6: Final answer
    x = 47,119.03

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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.