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Finding the Fourth Proportional to 17,656.71, 26,485.10 and 4,329.76

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Solution

The fourth proportional to 17,656.71, 26,485.10 and 4,329.76 is: 6,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.71 : 26,485.10 = 4,329.76 : x
  2. Step 2: Convert to fraction form
    17,656.71/26,485.10 = 4,329.76/x
  3. Step 3: Cross multiply
    17,656.71x = 26,485.10 × 4,329.76
  4. Step 4: Simplify right side
    17,656.71x = 114,674,054.95
  5. Step 5: Solve for x
    x = 114,674,054.95/17,656.71
  6. Step 6: Final answer
    x = 6,494.65

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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.