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Finding the Fourth Proportional to 11,870.16, 17,805.04 and 4,848.63

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Solution

The fourth proportional to 11,870.16, 17,805.04 and 4,848.63 is: 7,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.16 : 17,805.04 = 4,848.63 : x
  2. Step 2: Convert to fraction form
    11,870.16/17,805.04 = 4,848.63/x
  3. Step 3: Cross multiply
    11,870.16x = 17,805.04 × 4,848.63
  4. Step 4: Simplify right side
    11,870.16x = 86,330,051.10
  5. Step 5: Solve for x
    x = 86,330,051.10/11,870.16
  6. Step 6: Final answer
    x = 7,272.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.