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Finding the Fourth Proportional to 40,558.50, 55,970.73 and 22,894.50

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Solution

The fourth proportional to 40,558.50, 55,970.73 and 22,894.50 is: 31,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,558.50 : 55,970.73 = 22,894.50 : x
  2. Step 2: Convert to fraction form
    40,558.50/55,970.73 = 22,894.50/x
  3. Step 3: Cross multiply
    40,558.50x = 55,970.73 × 22,894.50
  4. Step 4: Simplify right side
    40,558.50x = 1,281,421,877.99
  5. Step 5: Solve for x
    x = 1,281,421,877.99/40,558.50
  6. Step 6: Final answer
    x = 31,594.41

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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.