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Finding the Fourth Proportional to 56,859.84, 78,445.44 and 32,973.12

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Solution

The fourth proportional to 56,859.84, 78,445.44 and 32,973.12 is: 45,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,859.84 : 78,445.44 = 32,973.12 : x
  2. Step 2: Convert to fraction form
    56,859.84/78,445.44 = 32,973.12/x
  3. Step 3: Cross multiply
    56,859.84x = 78,445.44 × 32,973.12
  4. Step 4: Simplify right side
    56,859.84x = 2,586,590,906.57
  5. Step 5: Solve for x
    x = 2,586,590,906.57/56,859.84
  6. Step 6: Final answer
    x = 45,490.65

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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.