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Finding the Fourth Proportional to 70,021.98, 105,050.25 and 23,275.26

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Solution

The fourth proportional to 70,021.98, 105,050.25 and 23,275.26 is: 34,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021.98 : 105,050.25 = 23,275.26 : x
  2. Step 2: Convert to fraction form
    70,021.98/105,050.25 = 23,275.26/x
  3. Step 3: Cross multiply
    70,021.98x = 105,050.25 × 23,275.26
  4. Step 4: Simplify right side
    70,021.98x = 2,445,071,881.82
  5. Step 5: Solve for x
    x = 2,445,071,881.82/70,021.98
  6. Step 6: Final answer
    x = 34,918.63

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1.5x scale

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.