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Finding the Fourth Proportional to 27,203.68, 37,541.28 and 15,267.28

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Solution

The fourth proportional to 27,203.68, 37,541.28 and 15,267.28 is: 21,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203.68 : 37,541.28 = 15,267.28 : x
  2. Step 2: Convert to fraction form
    27,203.68/37,541.28 = 15,267.28/x
  3. Step 3: Cross multiply
    27,203.68x = 37,541.28 × 15,267.28
  4. Step 4: Simplify right side
    27,203.68x = 573,153,233.32
  5. Step 5: Solve for x
    x = 573,153,233.32/27,203.68
  6. Step 6: Final answer
    x = 21,068.96

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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.