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Finding the Fourth Proportional to 27,364.16, 37,762.03 and 15,427.51

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Solution

The fourth proportional to 27,364.16, 37,762.03 and 15,427.51 is: 21,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,364.16 : 37,762.03 = 15,427.51 : x
  2. Step 2: Convert to fraction form
    27,364.16/37,762.03 = 15,427.51/x
  3. Step 3: Cross multiply
    27,364.16x = 37,762.03 × 15,427.51
  4. Step 4: Simplify right side
    27,364.16x = 582,574,020.32
  5. Step 5: Solve for x
    x = 582,574,020.32/27,364.16
  6. Step 6: Final answer
    x = 21,289.67

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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.