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Finding the Fourth Proportional to 57,547.48, 79,415.50 and 33,678.71

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Solution

The fourth proportional to 57,547.48, 79,415.50 and 33,678.71 is: 46,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,547.48 : 79,415.50 = 33,678.71 : x
  2. Step 2: Convert to fraction form
    57,547.48/79,415.50 = 33,678.71/x
  3. Step 3: Cross multiply
    57,547.48x = 79,415.50 × 33,678.71
  4. Step 4: Simplify right side
    57,547.48x = 2,674,611,594.01
  5. Step 5: Solve for x
    x = 2,674,611,594.01/57,547.48
  6. Step 6: Final answer
    x = 46,476.61

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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.