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Finding the Fourth Proportional to 27,062.64, 37,344 and 15,124.32

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Solution

The fourth proportional to 27,062.64, 37,344 and 15,124.32 is: 20,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,062.64 : 37,344 = 15,124.32 : x
  2. Step 2: Convert to fraction form
    27,062.64/37,344 = 15,124.32/x
  3. Step 3: Cross multiply
    27,062.64x = 37,344 × 15,124.32
  4. Step 4: Simplify right side
    27,062.64x = 564,802,606.08
  5. Step 5: Solve for x
    x = 564,802,606.08/27,062.64
  6. Step 6: Final answer
    x = 20,870.20

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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.