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Finding the Fourth Proportional to 56,475.28, 77,915.28 and 33,814.96

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Solution

The fourth proportional to 56,475.28, 77,915.28 and 33,814.96 is: 46,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,475.28 : 77,915.28 = 33,814.96 : x
  2. Step 2: Convert to fraction form
    56,475.28/77,915.28 = 33,814.96/x
  3. Step 3: Cross multiply
    56,475.28x = 77,915.28 × 33,814.96
  4. Step 4: Simplify right side
    56,475.28x = 2,634,702,076.59
  5. Step 5: Solve for x
    x = 2,634,702,076.59/56,475.28
  6. Step 6: Final answer
    x = 46,652.31

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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.