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Finding the Fourth Proportional to 51,302.40, 76,953.60 and 46,053.60

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Solution

The fourth proportional to 51,302.40, 76,953.60 and 46,053.60 is: 69,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302.40 : 76,953.60 = 46,053.60 : x
  2. Step 2: Convert to fraction form
    51,302.40/76,953.60 = 46,053.60/x
  3. Step 3: Cross multiply
    51,302.40x = 76,953.60 × 46,053.60
  4. Step 4: Simplify right side
    51,302.40x = 3,543,990,312.96
  5. Step 5: Solve for x
    x = 3,543,990,312.96/51,302.40
  6. Step 6: Final answer
    x = 69,080.40

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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.