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Finding the Fourth Proportional to 71,343.84, 98,421.84 and 46,201.44

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Solution

The fourth proportional to 71,343.84, 98,421.84 and 46,201.44 is: 63,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,343.84 : 98,421.84 = 46,201.44 : x
  2. Step 2: Convert to fraction form
    71,343.84/98,421.84 = 46,201.44/x
  3. Step 3: Cross multiply
    71,343.84x = 98,421.84 × 46,201.44
  4. Step 4: Simplify right side
    71,343.84x = 4,547,230,735.45
  5. Step 5: Solve for x
    x = 4,547,230,735.45/71,343.84
  6. Step 6: Final answer
    x = 63,736.84

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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.