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Finding the Fourth Proportional to 71,483.78, 98,583.03 and 44,628.74

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Solution

The fourth proportional to 71,483.78, 98,583.03 and 44,628.74 is: 61,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,483.78 : 98,583.03 = 44,628.74 : x
  2. Step 2: Convert to fraction form
    71,483.78/98,583.03 = 44,628.74/x
  3. Step 3: Cross multiply
    71,483.78x = 98,583.03 × 44,628.74
  4. Step 4: Simplify right side
    71,483.78x = 4,399,636,414.28
  5. Step 5: Solve for x
    x = 4,399,636,414.28/71,483.78
  6. Step 6: Final answer
    x = 61,547.34

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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.