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Finding the Fourth Proportional to 43,332.95, 64,992.80 and 13,746.94

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Solution

The fourth proportional to 43,332.95, 64,992.80 and 13,746.94 is: 20,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.95 : 64,992.80 = 13,746.94 : x
  2. Step 2: Convert to fraction form
    43,332.95/64,992.80 = 13,746.94/x
  3. Step 3: Cross multiply
    43,332.95x = 64,992.80 × 13,746.94
  4. Step 4: Simplify right side
    43,332.95x = 893,451,993.92
  5. Step 5: Solve for x
    x = 893,451,993.92/43,332.95
  6. Step 6: Final answer
    x = 20,618.30

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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.