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Finding the Fourth Proportional to 7,036.65, 9,709.13 and 4,051.69

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Solution

The fourth proportional to 7,036.65, 9,709.13 and 4,051.69 is: 5,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036.65 : 9,709.13 = 4,051.69 : x
  2. Step 2: Convert to fraction form
    7,036.65/9,709.13 = 4,051.69/x
  3. Step 3: Cross multiply
    7,036.65x = 9,709.13 × 4,051.69
  4. Step 4: Simplify right side
    7,036.65x = 39,338,370.79
  5. Step 5: Solve for x
    x = 39,338,370.79/7,036.65
  6. Step 6: Final answer
    x = 5,590.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.