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Finding the Fourth Proportional to 46,642.60, 69,966.60 and 13,365.10

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Solution

The fourth proportional to 46,642.60, 69,966.60 and 13,365.10 is: 20,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,642.60 : 69,966.60 = 13,365.10 : x
  2. Step 2: Convert to fraction form
    46,642.60/69,966.60 = 13,365.10/x
  3. Step 3: Cross multiply
    46,642.60x = 69,966.60 × 13,365.10
  4. Step 4: Simplify right side
    46,642.60x = 935,110,605.66
  5. Step 5: Solve for x
    x = 935,110,605.66/46,642.60
  6. Step 6: Final answer
    x = 20,048.42

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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.