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Finding the Fourth Proportional to 10,549.51, 15,810.29 and 5,608.51

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Solution

The fourth proportional to 10,549.51, 15,810.29 and 5,608.51 is: 8,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.51 : 15,810.29 = 5,608.51 : x
  2. Step 2: Convert to fraction form
    10,549.51/15,810.29 = 5,608.51/x
  3. Step 3: Cross multiply
    10,549.51x = 15,810.29 × 5,608.51
  4. Step 4: Simplify right side
    10,549.51x = 88,672,062.47
  5. Step 5: Solve for x
    x = 88,672,062.47/10,549.51
  6. Step 6: Final answer
    x = 8,405.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.