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Finding the Fourth Proportional to 71,053.96, 98,057.64 and 40,849.06

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Solution

The fourth proportional to 71,053.96, 98,057.64 and 40,849.06 is: 56,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.96 : 98,057.64 = 40,849.06 : x
  2. Step 2: Convert to fraction form
    71,053.96/98,057.64 = 40,849.06/x
  3. Step 3: Cross multiply
    71,053.96x = 98,057.64 × 40,849.06
  4. Step 4: Simplify right side
    71,053.96x = 4,005,562,419.82
  5. Step 5: Solve for x
    x = 4,005,562,419.82/71,053.96
  6. Step 6: Final answer
    x = 56,373.53

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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.