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Finding the Fourth Proportional to 64,466.40, 88,959.18 and 35,783.82

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Solution

The fourth proportional to 64,466.40, 88,959.18 and 35,783.82 is: 49,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,466.40 : 88,959.18 = 35,783.82 : x
  2. Step 2: Convert to fraction form
    64,466.40/88,959.18 = 35,783.82/x
  3. Step 3: Cross multiply
    64,466.40x = 88,959.18 × 35,783.82
  4. Step 4: Simplify right side
    64,466.40x = 3,183,299,284.47
  5. Step 5: Solve for x
    x = 3,183,299,284.47/64,466.40
  6. Step 6: Final answer
    x = 49,379.20

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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.