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Finding the Fourth Proportional to 73,045.64, 100,802.94 and 39,511.64

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Solution

The fourth proportional to 73,045.64, 100,802.94 and 39,511.64 is: 54,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,045.64 : 100,802.94 = 39,511.64 : x
  2. Step 2: Convert to fraction form
    73,045.64/100,802.94 = 39,511.64/x
  3. Step 3: Cross multiply
    73,045.64x = 100,802.94 × 39,511.64
  4. Step 4: Simplify right side
    73,045.64x = 3,982,889,476.22
  5. Step 5: Solve for x
    x = 3,982,889,476.22/73,045.64
  6. Step 6: Final answer
    x = 54,526.04

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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.