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Finding the Fourth Proportional to 15,602.16, 21,538.80 and 10,592.88

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Solution

The fourth proportional to 15,602.16, 21,538.80 and 10,592.88 is: 14,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.16 : 21,538.80 = 10,592.88 : x
  2. Step 2: Convert to fraction form
    15,602.16/21,538.80 = 10,592.88/x
  3. Step 3: Cross multiply
    15,602.16x = 21,538.80 × 10,592.88
  4. Step 4: Simplify right side
    15,602.16x = 228,157,923.74
  5. Step 5: Solve for x
    x = 228,157,923.74/15,602.16
  6. Step 6: Final answer
    x = 14,623.48

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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.