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Finding the Fourth Proportional to 40,503.98, 55,895.32 and 22,597.90

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Solution

The fourth proportional to 40,503.98, 55,895.32 and 22,597.90 is: 31,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503.98 : 55,895.32 = 22,597.90 : x
  2. Step 2: Convert to fraction form
    40,503.98/55,895.32 = 22,597.90/x
  3. Step 3: Cross multiply
    40,503.98x = 55,895.32 × 22,597.90
  4. Step 4: Simplify right side
    40,503.98x = 1,263,116,851.83
  5. Step 5: Solve for x
    x = 1,263,116,851.83/40,503.98
  6. Step 6: Final answer
    x = 31,185.01

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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.