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Finding the Fourth Proportional to 64,038.93, 96,058.40 and 21,919.56

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Solution

The fourth proportional to 64,038.93, 96,058.40 and 21,919.56 is: 32,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.93 : 96,058.40 = 21,919.56 : x
  2. Step 2: Convert to fraction form
    64,038.93/96,058.40 = 21,919.56/x
  3. Step 3: Cross multiply
    64,038.93x = 96,058.40 × 21,919.56
  4. Step 4: Simplify right side
    64,038.93x = 2,105,557,752.71
  5. Step 5: Solve for x
    x = 2,105,557,752.71/64,038.93
  6. Step 6: Final answer
    x = 32,879.34

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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.