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Finding the Fourth Proportional to 15,597.35, 21,526.77 and 9,934.54

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Solution

The fourth proportional to 15,597.35, 21,526.77 and 9,934.54 is: 13,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.35 : 21,526.77 = 9,934.54 : x
  2. Step 2: Convert to fraction form
    15,597.35/21,526.77 = 9,934.54/x
  3. Step 3: Cross multiply
    15,597.35x = 21,526.77 × 9,934.54
  4. Step 4: Simplify right side
    15,597.35x = 213,858,557.64
  5. Step 5: Solve for x
    x = 213,858,557.64/15,597.35
  6. Step 6: Final answer
    x = 13,711.21

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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.