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Finding the Fourth Proportional to 56,957.44, 85,477.92 and 45,995.20

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Solution

The fourth proportional to 56,957.44, 85,477.92 and 45,995.20 is: 69,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,957.44 : 85,477.92 = 45,995.20 : x
  2. Step 2: Convert to fraction form
    56,957.44/85,477.92 = 45,995.20/x
  3. Step 3: Cross multiply
    56,957.44x = 85,477.92 × 45,995.20
  4. Step 4: Simplify right side
    56,957.44x = 3,931,574,025.98
  5. Step 5: Solve for x
    x = 3,931,574,025.98/56,957.44
  6. Step 6: Final answer
    x = 69,026.52

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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.