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Finding the Fourth Proportional to 9,045.95, 13,580.48 and 8,952.80

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Solution

The fourth proportional to 9,045.95, 13,580.48 and 8,952.80 is: 13,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.95 : 13,580.48 = 8,952.80 : x
  2. Step 2: Convert to fraction form
    9,045.95/13,580.48 = 8,952.80/x
  3. Step 3: Cross multiply
    9,045.95x = 13,580.48 × 8,952.80
  4. Step 4: Simplify right side
    9,045.95x = 121,583,321.34
  5. Step 5: Solve for x
    x = 121,583,321.34/9,045.95
  6. Step 6: Final answer
    x = 13,440.64

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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.