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Finding the Fourth Proportional to 14,779.65, 22,153.08 and 6,972.06

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Solution

The fourth proportional to 14,779.65, 22,153.08 and 6,972.06 is: 10,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.65 : 22,153.08 = 6,972.06 : x
  2. Step 2: Convert to fraction form
    14,779.65/22,153.08 = 6,972.06/x
  3. Step 3: Cross multiply
    14,779.65x = 22,153.08 × 6,972.06
  4. Step 4: Simplify right side
    14,779.65x = 154,452,602.94
  5. Step 5: Solve for x
    x = 154,452,602.94/14,779.65
  6. Step 6: Final answer
    x = 10,450.36

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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.