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Finding the Fourth Proportional to 27,303.92, 37,680.62 and 15,368.03

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Solution

The fourth proportional to 27,303.92, 37,680.62 and 15,368.03 is: 21,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303.92 : 37,680.62 = 15,368.03 : x
  2. Step 2: Convert to fraction form
    27,303.92/37,680.62 = 15,368.03/x
  3. Step 3: Cross multiply
    27,303.92x = 37,680.62 × 15,368.03
  4. Step 4: Simplify right side
    27,303.92x = 579,076,633.34
  5. Step 5: Solve for x
    x = 579,076,633.34/27,303.92
  6. Step 6: Final answer
    x = 21,208.56

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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.