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Finding the Fourth Proportional to 8,762.60, 13,148.94 and 4,866.68

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Solution

The fourth proportional to 8,762.60, 13,148.94 and 4,866.68 is: 7,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.60 : 13,148.94 = 4,866.68 : x
  2. Step 2: Convert to fraction form
    8,762.60/13,148.94 = 4,866.68/x
  3. Step 3: Cross multiply
    8,762.60x = 13,148.94 × 4,866.68
  4. Step 4: Simplify right side
    8,762.60x = 63,991,683.32
  5. Step 5: Solve for x
    x = 63,991,683.32/8,762.60
  6. Step 6: Final answer
    x = 7,302.82

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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.