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Finding the Fourth Proportional to 14,987.64, 22,481.48 and 5,127

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Solution

The fourth proportional to 14,987.64, 22,481.48 and 5,127 is: 7,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.64 : 22,481.48 = 5,127 : x
  2. Step 2: Convert to fraction form
    14,987.64/22,481.48 = 5,127/x
  3. Step 3: Cross multiply
    14,987.64x = 22,481.48 × 5,127
  4. Step 4: Simplify right side
    14,987.64x = 115,262,547.96
  5. Step 5: Solve for x
    x = 115,262,547.96/14,987.64
  6. Step 6: Final answer
    x = 7,690.51

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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.