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Finding the Fourth Proportional to 70,395.04, 105,595.80 and 26,013.52

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Solution

The fourth proportional to 70,395.04, 105,595.80 and 26,013.52 is: 39,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,395.04 : 105,595.80 = 26,013.52 : x
  2. Step 2: Convert to fraction form
    70,395.04/105,595.80 = 26,013.52/x
  3. Step 3: Cross multiply
    70,395.04x = 105,595.80 × 26,013.52
  4. Step 4: Simplify right side
    70,395.04x = 2,746,918,455.22
  5. Step 5: Solve for x
    x = 2,746,918,455.22/70,395.04
  6. Step 6: Final answer
    x = 39,021.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.