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Finding the Fourth Proportional to 15,601.01, 21,526.88 and 8,886.77

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Solution

The fourth proportional to 15,601.01, 21,526.88 and 8,886.77 is: 12,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.01 : 21,526.88 = 8,886.77 : x
  2. Step 2: Convert to fraction form
    15,601.01/21,526.88 = 8,886.77/x
  3. Step 3: Cross multiply
    15,601.01x = 21,526.88 × 8,886.77
  4. Step 4: Simplify right side
    15,601.01x = 191,304,410.02
  5. Step 5: Solve for x
    x = 191,304,410.02/15,601.01
  6. Step 6: Final answer
    x = 12,262.31

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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.