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Finding the Fourth Proportional to 59,405.40, 81,979.36 and 32,547.89

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Solution

The fourth proportional to 59,405.40, 81,979.36 and 32,547.89 is: 44,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,405.40 : 81,979.36 = 32,547.89 : x
  2. Step 2: Convert to fraction form
    59,405.40/81,979.36 = 32,547.89/x
  3. Step 3: Cross multiply
    59,405.40x = 81,979.36 × 32,547.89
  4. Step 4: Simplify right side
    59,405.40x = 2,668,255,315.13
  5. Step 5: Solve for x
    x = 2,668,255,315.13/59,405.40
  6. Step 6: Final answer
    x = 44,916.04

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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.