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Finding the Fourth Proportional to 35,345.44, 48,775.70 and 19,427.70

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Solution

The fourth proportional to 35,345.44, 48,775.70 and 19,427.70 is: 26,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.44 : 48,775.70 = 19,427.70 : x
  2. Step 2: Convert to fraction form
    35,345.44/48,775.70 = 19,427.70/x
  3. Step 3: Cross multiply
    35,345.44x = 48,775.70 × 19,427.70
  4. Step 4: Simplify right side
    35,345.44x = 947,599,666.89
  5. Step 5: Solve for x
    x = 947,599,666.89/35,345.44
  6. Step 6: Final answer
    x = 26,809.67

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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.