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Finding the Fourth Proportional to 5,914.88, 8,810.32 and 5,615.36

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Solution

The fourth proportional to 5,914.88, 8,810.32 and 5,615.36 is: 8,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.88 : 8,810.32 = 5,615.36 : x
  2. Step 2: Convert to fraction form
    5,914.88/8,810.32 = 5,615.36/x
  3. Step 3: Cross multiply
    5,914.88x = 8,810.32 × 5,615.36
  4. Step 4: Simplify right side
    5,914.88x = 49,473,118.52
  5. Step 5: Solve for x
    x = 49,473,118.52/5,914.88
  6. Step 6: Final answer
    x = 8,364.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.