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Finding the Fourth Proportional to 32,707.69, 49,068.84 and 11,931.19

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Solution

The fourth proportional to 32,707.69, 49,068.84 and 11,931.19 is: 17,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.69 : 49,068.84 = 11,931.19 : x
  2. Step 2: Convert to fraction form
    32,707.69/49,068.84 = 11,931.19/x
  3. Step 3: Cross multiply
    32,707.69x = 49,068.84 × 11,931.19
  4. Step 4: Simplify right side
    32,707.69x = 585,449,653.12
  5. Step 5: Solve for x
    x = 585,449,653.12/32,707.69
  6. Step 6: Final answer
    x = 17,899.45

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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.