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Finding the Fourth Proportional to 34,789.64, 48,005.64 and 19,477.01

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Solution

The fourth proportional to 34,789.64, 48,005.64 and 19,477.01 is: 26,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,789.64 : 48,005.64 = 19,477.01 : x
  2. Step 2: Convert to fraction form
    34,789.64/48,005.64 = 19,477.01/x
  3. Step 3: Cross multiply
    34,789.64x = 48,005.64 × 19,477.01
  4. Step 4: Simplify right side
    34,789.64x = 935,006,090.31
  5. Step 5: Solve for x
    x = 935,006,090.31/34,789.64
  6. Step 6: Final answer
    x = 26,876.00

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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.