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Finding the Fourth Proportional to 56,883.63, 78,515.02 and 33,017.99

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Solution

The fourth proportional to 56,883.63, 78,515.02 and 33,017.99 is: 45,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883.63 : 78,515.02 = 33,017.99 : x
  2. Step 2: Convert to fraction form
    56,883.63/78,515.02 = 33,017.99/x
  3. Step 3: Cross multiply
    56,883.63x = 78,515.02 × 33,017.99
  4. Step 4: Simplify right side
    56,883.63x = 2,592,408,145.21
  5. Step 5: Solve for x
    x = 2,592,408,145.21/56,883.63
  6. Step 6: Final answer
    x = 45,573.89

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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.