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Finding the Fourth Proportional to 9,504.60, 14,256.90 and 8,813.40

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Solution

The fourth proportional to 9,504.60, 14,256.90 and 8,813.40 is: 13,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.60 : 14,256.90 = 8,813.40 : x
  2. Step 2: Convert to fraction form
    9,504.60/14,256.90 = 8,813.40/x
  3. Step 3: Cross multiply
    9,504.60x = 14,256.90 × 8,813.40
  4. Step 4: Simplify right side
    9,504.60x = 125,651,762.46
  5. Step 5: Solve for x
    x = 125,651,762.46/9,504.60
  6. Step 6: Final answer
    x = 13,220.10

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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.