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Finding the Fourth Proportional to 6,627.04, 9,918.91 and 4,871.58

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Solution

The fourth proportional to 6,627.04, 9,918.91 and 4,871.58 is: 7,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.04 : 9,918.91 = 4,871.58 : x
  2. Step 2: Convert to fraction form
    6,627.04/9,918.91 = 4,871.58/x
  3. Step 3: Cross multiply
    6,627.04x = 9,918.91 × 4,871.58
  4. Step 4: Simplify right side
    6,627.04x = 48,320,763.58
  5. Step 5: Solve for x
    x = 48,320,763.58/6,627.04
  6. Step 6: Final answer
    x = 7,291.45

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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.