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Finding the Fourth Proportional to 61,990.71, 85,547.49 and 33,696.39

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Solution

The fourth proportional to 61,990.71, 85,547.49 and 33,696.39 is: 46,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,990.71 : 85,547.49 = 33,696.39 : x
  2. Step 2: Convert to fraction form
    61,990.71/85,547.49 = 33,696.39/x
  3. Step 3: Cross multiply
    61,990.71x = 85,547.49 × 33,696.39
  4. Step 4: Simplify right side
    61,990.71x = 2,882,641,586.56
  5. Step 5: Solve for x
    x = 2,882,641,586.56/61,990.71
  6. Step 6: Final answer
    x = 46,501.19

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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.