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Finding the Fourth Proportional to 70,501.75, 97,301.06 and 40,693.75

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Solution

The fourth proportional to 70,501.75, 97,301.06 and 40,693.75 is: 56,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,501.75 : 97,301.06 = 40,693.75 : x
  2. Step 2: Convert to fraction form
    70,501.75/97,301.06 = 40,693.75/x
  3. Step 3: Cross multiply
    70,501.75x = 97,301.06 × 40,693.75
  4. Step 4: Simplify right side
    70,501.75x = 3,959,545,010.38
  5. Step 5: Solve for x
    x = 3,959,545,010.38/70,501.75
  6. Step 6: Final answer
    x = 56,162.36

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1.5x scale

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.