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Finding the Fourth Proportional to 71,371.53, 98,538.93 and 45,889.34

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Solution

The fourth proportional to 71,371.53, 98,538.93 and 45,889.34 is: 63,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.53 : 98,538.93 = 45,889.34 : x
  2. Step 2: Convert to fraction form
    71,371.53/98,538.93 = 45,889.34/x
  3. Step 3: Cross multiply
    71,371.53x = 98,538.93 × 45,889.34
  4. Step 4: Simplify right side
    71,371.53x = 4,521,885,969.31
  5. Step 5: Solve for x
    x = 4,521,885,969.31/71,371.53
  6. Step 6: Final answer
    x = 63,357.00

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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.