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Finding the Fourth Proportional to 56,750.40, 85,125.60 and 37,051.20

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Solution

The fourth proportional to 56,750.40, 85,125.60 and 37,051.20 is: 55,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.40 : 85,125.60 = 37,051.20 : x
  2. Step 2: Convert to fraction form
    56,750.40/85,125.60 = 37,051.20/x
  3. Step 3: Cross multiply
    56,750.40x = 85,125.60 × 37,051.20
  4. Step 4: Simplify right side
    56,750.40x = 3,154,005,630.72
  5. Step 5: Solve for x
    x = 3,154,005,630.72/56,750.40
  6. Step 6: Final answer
    x = 55,576.80

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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.