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Finding the Fourth Proportional to 27,433.60, 37,858.08 and 14,858.20

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Solution

The fourth proportional to 27,433.60, 37,858.08 and 14,858.20 is: 20,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,433.60 : 37,858.08 = 14,858.20 : x
  2. Step 2: Convert to fraction form
    27,433.60/37,858.08 = 14,858.20/x
  3. Step 3: Cross multiply
    27,433.60x = 37,858.08 × 14,858.20
  4. Step 4: Simplify right side
    27,433.60x = 562,502,924.26
  5. Step 5: Solve for x
    x = 562,502,924.26/27,433.60
  6. Step 6: Final answer
    x = 20,504.16

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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.