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Finding the Fourth Proportional to 43,039.74, 64,547.04 and 16,738.22

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Solution

The fourth proportional to 43,039.74, 64,547.04 and 16,738.22 is: 25,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.74 : 64,547.04 = 16,738.22 : x
  2. Step 2: Convert to fraction form
    43,039.74/64,547.04 = 16,738.22/x
  3. Step 3: Cross multiply
    43,039.74x = 64,547.04 × 16,738.22
  4. Step 4: Simplify right side
    43,039.74x = 1,080,402,555.87
  5. Step 5: Solve for x
    x = 1,080,402,555.87/43,039.74
  6. Step 6: Final answer
    x = 25,102.44

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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.