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Finding the Fourth Proportional to 15,602.82, 21,526.63 and 8,883.69

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Solution

The fourth proportional to 15,602.82, 21,526.63 and 8,883.69 is: 12,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.82 : 21,526.63 = 8,883.69 : x
  2. Step 2: Convert to fraction form
    15,602.82/21,526.63 = 8,883.69/x
  3. Step 3: Cross multiply
    15,602.82x = 21,526.63 × 8,883.69
  4. Step 4: Simplify right side
    15,602.82x = 191,235,858.55
  5. Step 5: Solve for x
    x = 191,235,858.55/15,602.82
  6. Step 6: Final answer
    x = 12,256.50

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Double scale
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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.