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Finding the Fourth Proportional to 32,547.80, 48,771.47 and 21,976.39

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Solution

The fourth proportional to 32,547.80, 48,771.47 and 21,976.39 is: 32,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,547.80 : 48,771.47 = 21,976.39 : x
  2. Step 2: Convert to fraction form
    32,547.80/48,771.47 = 21,976.39/x
  3. Step 3: Cross multiply
    32,547.80x = 48,771.47 × 21,976.39
  4. Step 4: Simplify right side
    32,547.80x = 1,071,820,700.71
  5. Step 5: Solve for x
    x = 1,071,820,700.71/32,547.80
  6. Step 6: Final answer
    x = 32,930.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.