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Finding the Fourth Proportional to 46,400.46, 64,055.25 and 28,499.46

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Solution

The fourth proportional to 46,400.46, 64,055.25 and 28,499.46 is: 39,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,400.46 : 64,055.25 = 28,499.46 : x
  2. Step 2: Convert to fraction form
    46,400.46/64,055.25 = 28,499.46/x
  3. Step 3: Cross multiply
    46,400.46x = 64,055.25 × 28,499.46
  4. Step 4: Simplify right side
    46,400.46x = 1,825,540,035.17
  5. Step 5: Solve for x
    x = 1,825,540,035.17/46,400.46
  6. Step 6: Final answer
    x = 39,343.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.