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Finding the Fourth Proportional to 38,477.70, 57,769.59 and 26,602.29

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Solution

The fourth proportional to 38,477.70, 57,769.59 and 26,602.29 is: 39,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.70 : 57,769.59 = 26,602.29 : x
  2. Step 2: Convert to fraction form
    38,477.70/57,769.59 = 26,602.29/x
  3. Step 3: Cross multiply
    38,477.70x = 57,769.59 × 26,602.29
  4. Step 4: Simplify right side
    38,477.70x = 1,536,803,386.36
  5. Step 5: Solve for x
    x = 1,536,803,386.36/38,477.70
  6. Step 6: Final answer
    x = 39,940.11

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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.