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Finding the Fourth Proportional to 71,325.94, 98,477.61 and 44,479.30

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Solution

The fourth proportional to 71,325.94, 98,477.61 and 44,479.30 is: 61,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,325.94 : 98,477.61 = 44,479.30 : x
  2. Step 2: Convert to fraction form
    71,325.94/98,477.61 = 44,479.30/x
  3. Step 3: Cross multiply
    71,325.94x = 98,477.61 × 44,479.30
  4. Step 4: Simplify right side
    71,325.94x = 4,380,215,158.47
  5. Step 5: Solve for x
    x = 4,380,215,158.47/71,325.94
  6. Step 6: Final answer
    x = 61,411.25

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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.