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Finding the Fourth Proportional to 27,888.84, 38,486.52 and 16,710.84

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Solution

The fourth proportional to 27,888.84, 38,486.52 and 16,710.84 is: 23,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.84 : 38,486.52 = 16,710.84 : x
  2. Step 2: Convert to fraction form
    27,888.84/38,486.52 = 16,710.84/x
  3. Step 3: Cross multiply
    27,888.84x = 38,486.52 × 16,710.84
  4. Step 4: Simplify right side
    27,888.84x = 643,142,077.88
  5. Step 5: Solve for x
    x = 643,142,077.88/27,888.84
  6. Step 6: Final answer
    x = 23,060.91

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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.