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Finding the Fourth Proportional to 56,075, 84,070.98 and 33,883.18

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Solution

The fourth proportional to 56,075, 84,070.98 and 33,883.18 is: 50,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075 : 84,070.98 = 33,883.18 : x
  2. Step 2: Convert to fraction form
    56,075/84,070.98 = 33,883.18/x
  3. Step 3: Cross multiply
    56,075x = 84,070.98 × 33,883.18
  4. Step 4: Simplify right side
    56,075x = 2,848,592,148.12
  5. Step 5: Solve for x
    x = 2,848,592,148.12/56,075
  6. Step 6: Final answer
    x = 50,799.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.