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Finding the Fourth Proportional to 61,349.32, 84,664.51 and 34,491.75

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Solution

The fourth proportional to 61,349.32, 84,664.51 and 34,491.75 is: 47,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,349.32 : 84,664.51 = 34,491.75 : x
  2. Step 2: Convert to fraction form
    61,349.32/84,664.51 = 34,491.75/x
  3. Step 3: Cross multiply
    61,349.32x = 84,664.51 × 34,491.75
  4. Step 4: Simplify right side
    61,349.32x = 2,920,226,709.07
  5. Step 5: Solve for x
    x = 2,920,226,709.07/61,349.32
  6. Step 6: Final answer
    x = 47,599.98

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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.