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Finding the Fourth Proportional to 46,579, 69,870.96 and 13,296.48

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Solution

The fourth proportional to 46,579, 69,870.96 and 13,296.48 is: 19,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,579 : 69,870.96 = 13,296.48 : x
  2. Step 2: Convert to fraction form
    46,579/69,870.96 = 13,296.48/x
  3. Step 3: Cross multiply
    46,579x = 69,870.96 × 13,296.48
  4. Step 4: Simplify right side
    46,579x = 929,037,822.22
  5. Step 5: Solve for x
    x = 929,037,822.22/46,579
  6. Step 6: Final answer
    x = 19,945.42

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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.