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Finding the Fourth Proportional to 27,482.76, 37,924.68 and 15,548.48

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Solution

The fourth proportional to 27,482.76, 37,924.68 and 15,548.48 is: 21,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,482.76 : 37,924.68 = 15,548.48 : x
  2. Step 2: Convert to fraction form
    27,482.76/37,924.68 = 15,548.48/x
  3. Step 3: Cross multiply
    27,482.76x = 37,924.68 × 15,548.48
  4. Step 4: Simplify right side
    27,482.76x = 589,671,128.49
  5. Step 5: Solve for x
    x = 589,671,128.49/27,482.76
  6. Step 6: Final answer
    x = 21,456.04

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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.