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Finding the Fourth Proportional to 47,884.04, 66,080 and 26,665.28

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Solution

The fourth proportional to 47,884.04, 66,080 and 26,665.28 is: 36,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,884.04 : 66,080 = 26,665.28 : x
  2. Step 2: Convert to fraction form
    47,884.04/66,080 = 26,665.28/x
  3. Step 3: Cross multiply
    47,884.04x = 66,080 × 26,665.28
  4. Step 4: Simplify right side
    47,884.04x = 1,762,041,702.40
  5. Step 5: Solve for x
    x = 1,762,041,702.40/47,884.04
  6. Step 6: Final answer
    x = 36,798.10

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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.