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Finding the Fourth Proportional to 5,124.42, 7,692.93 and 4,866.18

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Solution

The fourth proportional to 5,124.42, 7,692.93 and 4,866.18 is: 7,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.42 : 7,692.93 = 4,866.18 : x
  2. Step 2: Convert to fraction form
    5,124.42/7,692.93 = 4,866.18/x
  3. Step 3: Cross multiply
    5,124.42x = 7,692.93 × 4,866.18
  4. Step 4: Simplify right side
    5,124.42x = 37,435,182.11
  5. Step 5: Solve for x
    x = 37,435,182.11/5,124.42
  6. Step 6: Final answer
    x = 7,305.25

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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.