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Finding the Fourth Proportional to 59,043, 81,479.34 and 32,547

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Solution

The fourth proportional to 59,043, 81,479.34 and 32,547 is: 44,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,043 : 81,479.34 = 32,547 : x
  2. Step 2: Convert to fraction form
    59,043/81,479.34 = 32,547/x
  3. Step 3: Cross multiply
    59,043x = 81,479.34 × 32,547
  4. Step 4: Simplify right side
    59,043x = 2,651,908,078.98
  5. Step 5: Solve for x
    x = 2,651,908,078.98/59,043
  6. Step 6: Final answer
    x = 44,914.86

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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.