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Finding the Fourth Proportional to 9,853.68, 14,779.98 and 5,457.54

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Solution

The fourth proportional to 9,853.68, 14,779.98 and 5,457.54 is: 8,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.68 : 14,779.98 = 5,457.54 : x
  2. Step 2: Convert to fraction form
    9,853.68/14,779.98 = 5,457.54/x
  3. Step 3: Cross multiply
    9,853.68x = 14,779.98 × 5,457.54
  4. Step 4: Simplify right side
    9,853.68x = 80,662,332.05
  5. Step 5: Solve for x
    x = 80,662,332.05/9,853.68
  6. Step 6: Final answer
    x = 8,186.01

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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.