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Finding the Fourth Proportional to 17,656.51, 26,484.36 and 8,889.07

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Solution

The fourth proportional to 17,656.51, 26,484.36 and 8,889.07 is: 13,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.51 : 26,484.36 = 8,889.07 : x
  2. Step 2: Convert to fraction form
    17,656.51/26,484.36 = 8,889.07/x
  3. Step 3: Cross multiply
    17,656.51x = 26,484.36 × 8,889.07
  4. Step 4: Simplify right side
    17,656.51x = 235,421,329.95
  5. Step 5: Solve for x
    x = 235,421,329.95/17,656.51
  6. Step 6: Final answer
    x = 13,333.40

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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.