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Finding the Fourth Proportional to 22,995.81, 31,733.93 and 12,925.95

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Solution

The fourth proportional to 22,995.81, 31,733.93 and 12,925.95 is: 17,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,995.81 : 31,733.93 = 12,925.95 : x
  2. Step 2: Convert to fraction form
    22,995.81/31,733.93 = 12,925.95/x
  3. Step 3: Cross multiply
    22,995.81x = 31,733.93 × 12,925.95
  4. Step 4: Simplify right side
    22,995.81x = 410,191,127.85
  5. Step 5: Solve for x
    x = 410,191,127.85/22,995.81
  6. Step 6: Final answer
    x = 17,837.65

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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.