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Finding the Fourth Proportional to 52,731.00, 72,802.74 and 47,055.99

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Solution

The fourth proportional to 52,731.00, 72,802.74 and 47,055.99 is: 64,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.00 : 72,802.74 = 47,055.99 : x
  2. Step 2: Convert to fraction form
    52,731.00/72,802.74 = 47,055.99/x
  3. Step 3: Cross multiply
    52,731.00x = 72,802.74 × 47,055.99
  4. Step 4: Simplify right side
    52,731.00x = 3,425,804,406.12
  5. Step 5: Solve for x
    x = 3,425,804,406.12/52,731.00
  6. Step 6: Final answer
    x = 64,967.57

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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.