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Finding the Fourth Proportional to 46,358.02, 63,978.02 and 26,218.48

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Solution

The fourth proportional to 46,358.02, 63,978.02 and 26,218.48 is: 36,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,358.02 : 63,978.02 = 26,218.48 : x
  2. Step 2: Convert to fraction form
    46,358.02/63,978.02 = 26,218.48/x
  3. Step 3: Cross multiply
    46,358.02x = 63,978.02 × 26,218.48
  4. Step 4: Simplify right side
    46,358.02x = 1,677,406,437.81
  5. Step 5: Solve for x
    x = 1,677,406,437.81/46,358.02
  6. Step 6: Final answer
    x = 36,183.74

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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.