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Finding the Fourth Proportional to 34,547.01, 47,679.47 and 25,620

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Solution

The fourth proportional to 34,547.01, 47,679.47 and 25,620 is: 35,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,547.01 : 47,679.47 = 25,620 : x
  2. Step 2: Convert to fraction form
    34,547.01/47,679.47 = 25,620/x
  3. Step 3: Cross multiply
    34,547.01x = 47,679.47 × 25,620
  4. Step 4: Simplify right side
    34,547.01x = 1,221,548,021.40
  5. Step 5: Solve for x
    x = 1,221,548,021.40/34,547.01
  6. Step 6: Final answer
    x = 35,359.01

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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.