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Finding the Fourth Proportional to 61,475.84, 84,840.68 and 46,341.80

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Solution

The fourth proportional to 61,475.84, 84,840.68 and 46,341.80 is: 63,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,475.84 : 84,840.68 = 46,341.80 : x
  2. Step 2: Convert to fraction form
    61,475.84/84,840.68 = 46,341.80/x
  3. Step 3: Cross multiply
    61,475.84x = 84,840.68 × 46,341.80
  4. Step 4: Simplify right side
    61,475.84x = 3,931,669,824.42
  5. Step 5: Solve for x
    x = 3,931,669,824.42/61,475.84
  6. Step 6: Final answer
    x = 63,954.71

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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.