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Finding the Fourth Proportional to 9,779.13, 14,653.98 and 9,050.13

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Solution

The fourth proportional to 9,779.13, 14,653.98 and 9,050.13 is: 13,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.13 : 14,653.98 = 9,050.13 : x
  2. Step 2: Convert to fraction form
    9,779.13/14,653.98 = 9,050.13/x
  3. Step 3: Cross multiply
    9,779.13x = 14,653.98 × 9,050.13
  4. Step 4: Simplify right side
    9,779.13x = 132,620,424.02
  5. Step 5: Solve for x
    x = 132,620,424.02/9,779.13
  6. Step 6: Final answer
    x = 13,561.58

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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.