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Finding the Fourth Proportional to 69,762.93, 96,276.78 and 37,931.16

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Solution

The fourth proportional to 69,762.93, 96,276.78 and 37,931.16 is: 52,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,762.93 : 96,276.78 = 37,931.16 : x
  2. Step 2: Convert to fraction form
    69,762.93/96,276.78 = 37,931.16/x
  3. Step 3: Cross multiply
    69,762.93x = 96,276.78 × 37,931.16
  4. Step 4: Simplify right side
    69,762.93x = 3,651,889,946.46
  5. Step 5: Solve for x
    x = 3,651,889,946.46/69,762.93
  6. Step 6: Final answer
    x = 52,347.14

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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.