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Finding the Fourth Proportional to 27,563, 38,036.94 and 14,987.84

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Solution

The fourth proportional to 27,563, 38,036.94 and 14,987.84 is: 20,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563 : 38,036.94 = 14,987.84 : x
  2. Step 2: Convert to fraction form
    27,563/38,036.94 = 14,987.84/x
  3. Step 3: Cross multiply
    27,563x = 38,036.94 × 14,987.84
  4. Step 4: Simplify right side
    27,563x = 570,091,570.81
  5. Step 5: Solve for x
    x = 570,091,570.81/27,563
  6. Step 6: Final answer
    x = 20,683.22

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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.