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Finding the Fourth Proportional to 56,932.32, 85,398.47 and 15,379.32

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Solution

The fourth proportional to 56,932.32, 85,398.47 and 15,379.32 is: 23,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.32 : 85,398.47 = 15,379.32 : x
  2. Step 2: Convert to fraction form
    56,932.32/85,398.47 = 15,379.32/x
  3. Step 3: Cross multiply
    56,932.32x = 85,398.47 × 15,379.32
  4. Step 4: Simplify right side
    56,932.32x = 1,313,370,320.74
  5. Step 5: Solve for x
    x = 1,313,370,320.74/56,932.32
  6. Step 6: Final answer
    x = 23,068.98

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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.