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Finding the Fourth Proportional to 56,811.52, 78,400.16 and 32,952.32

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Solution

The fourth proportional to 56,811.52, 78,400.16 and 32,952.32 is: 45,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.52 : 78,400.16 = 32,952.32 : x
  2. Step 2: Convert to fraction form
    56,811.52/78,400.16 = 32,952.32/x
  3. Step 3: Cross multiply
    56,811.52x = 78,400.16 × 32,952.32
  4. Step 4: Simplify right side
    56,811.52x = 2,583,467,160.37
  5. Step 5: Solve for x
    x = 2,583,467,160.37/56,811.52
  6. Step 6: Final answer
    x = 45,474.35

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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.