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Finding the Fourth Proportional to 61,154.19, 84,384.62 and 33,929.84

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Solution

The fourth proportional to 61,154.19, 84,384.62 and 33,929.84 is: 46,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.19 : 84,384.62 = 33,929.84 : x
  2. Step 2: Convert to fraction form
    61,154.19/84,384.62 = 33,929.84/x
  3. Step 3: Cross multiply
    61,154.19x = 84,384.62 × 33,929.84
  4. Step 4: Simplify right side
    61,154.19x = 2,863,156,317.96
  5. Step 5: Solve for x
    x = 2,863,156,317.96/61,154.19
  6. Step 6: Final answer
    x = 46,818.65

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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.