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Finding the Fourth Proportional to 60,547.54, 90,762.40 and 28,949.44

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Solution

The fourth proportional to 60,547.54, 90,762.40 and 28,949.44 is: 43,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,547.54 : 90,762.40 = 28,949.44 : x
  2. Step 2: Convert to fraction form
    60,547.54/90,762.40 = 28,949.44/x
  3. Step 3: Cross multiply
    60,547.54x = 90,762.40 × 28,949.44
  4. Step 4: Simplify right side
    60,547.54x = 2,627,520,653.06
  5. Step 5: Solve for x
    x = 2,627,520,653.06/60,547.54
  6. Step 6: Final answer
    x = 43,395.99

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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.