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Finding the Fourth Proportional to 70,588.66, 97,413.92 and 38,757.68

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Solution

The fourth proportional to 70,588.66, 97,413.92 and 38,757.68 is: 53,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,588.66 : 97,413.92 = 38,757.68 : x
  2. Step 2: Convert to fraction form
    70,588.66/97,413.92 = 38,757.68/x
  3. Step 3: Cross multiply
    70,588.66x = 97,413.92 × 38,757.68
  4. Step 4: Simplify right side
    70,588.66x = 3,775,537,733.99
  5. Step 5: Solve for x
    x = 3,775,537,733.99/70,588.66
  6. Step 6: Final answer
    x = 53,486.46

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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.