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Finding the Fourth Proportional to 15,597.81, 21,523.95 and 8,524.26

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Solution

The fourth proportional to 15,597.81, 21,523.95 and 8,524.26 is: 11,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.81 : 21,523.95 = 8,524.26 : x
  2. Step 2: Convert to fraction form
    15,597.81/21,523.95 = 8,524.26/x
  3. Step 3: Cross multiply
    15,597.81x = 21,523.95 × 8,524.26
  4. Step 4: Simplify right side
    15,597.81x = 183,475,746.03
  5. Step 5: Solve for x
    x = 183,475,746.03/15,597.81
  6. Step 6: Final answer
    x = 11,762.92

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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.