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Finding the Fourth Proportional to 66,573.48, 91,833.30 and 47,457.48

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Solution

The fourth proportional to 66,573.48, 91,833.30 and 47,457.48 is: 65,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,573.48 : 91,833.30 = 47,457.48 : x
  2. Step 2: Convert to fraction form
    66,573.48/91,833.30 = 47,457.48/x
  3. Step 3: Cross multiply
    66,573.48x = 91,833.30 × 47,457.48
  4. Step 4: Simplify right side
    66,573.48x = 4,358,176,998.08
  5. Step 5: Solve for x
    x = 4,358,176,998.08/66,573.48
  6. Step 6: Final answer
    x = 65,464.16

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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.