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Finding the Fourth Proportional to 9,882.99, 14,779.35 and 7,385.94

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Solution

The fourth proportional to 9,882.99, 14,779.35 and 7,385.94 is: 11,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.99 : 14,779.35 = 7,385.94 : x
  2. Step 2: Convert to fraction form
    9,882.99/14,779.35 = 7,385.94/x
  3. Step 3: Cross multiply
    9,882.99x = 14,779.35 × 7,385.94
  4. Step 4: Simplify right side
    9,882.99x = 109,159,392.34
  5. Step 5: Solve for x
    x = 109,159,392.34/9,882.99
  6. Step 6: Final answer
    x = 11,045.18

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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.