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Finding the Fourth Proportional to 46,575.81, 69,818.63 and 18,486.63

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Solution

The fourth proportional to 46,575.81, 69,818.63 and 18,486.63 is: 27,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,575.81 : 69,818.63 = 18,486.63 : x
  2. Step 2: Convert to fraction form
    46,575.81/69,818.63 = 18,486.63/x
  3. Step 3: Cross multiply
    46,575.81x = 69,818.63 × 18,486.63
  4. Step 4: Simplify right side
    46,575.81x = 1,290,711,087.48
  5. Step 5: Solve for x
    x = 1,290,711,087.48/46,575.81
  6. Step 6: Final answer
    x = 27,712.05

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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.