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Finding the Fourth Proportional to 75,802.70, 104,607.63 and 41,813.36

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Solution

The fourth proportional to 75,802.70, 104,607.63 and 41,813.36 is: 57,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,802.70 : 104,607.63 = 41,813.36 : x
  2. Step 2: Convert to fraction form
    75,802.70/104,607.63 = 41,813.36/x
  3. Step 3: Cross multiply
    75,802.70x = 104,607.63 × 41,813.36
  4. Step 4: Simplify right side
    75,802.70x = 4,373,996,491.94
  5. Step 5: Solve for x
    x = 4,373,996,491.94/75,802.70
  6. Step 6: Final answer
    x = 57,702.38

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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.