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Finding the Fourth Proportional to 38,953.72, 53,741.61 and 26,186.67

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Solution

The fourth proportional to 38,953.72, 53,741.61 and 26,186.67 is: 36,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.72 : 53,741.61 = 26,186.67 : x
  2. Step 2: Convert to fraction form
    38,953.72/53,741.61 = 26,186.67/x
  3. Step 3: Cross multiply
    38,953.72x = 53,741.61 × 26,186.67
  4. Step 4: Simplify right side
    38,953.72x = 1,407,313,806.34
  5. Step 5: Solve for x
    x = 1,407,313,806.34/38,953.72
  6. Step 6: Final answer
    x = 36,127.84

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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.