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Finding the Fourth Proportional to 61,359.84, 84,674.89 and 34,501.66

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Solution

The fourth proportional to 61,359.84, 84,674.89 and 34,501.66 is: 47,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.84 : 84,674.89 = 34,501.66 : x
  2. Step 2: Convert to fraction form
    61,359.84/84,674.89 = 34,501.66/x
  3. Step 3: Cross multiply
    61,359.84x = 84,674.89 × 34,501.66
  4. Step 4: Simplify right side
    61,359.84x = 2,921,423,967.38
  5. Step 5: Solve for x
    x = 2,921,423,967.38/61,359.84
  6. Step 6: Final answer
    x = 47,611.34

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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.