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Finding the Fourth Proportional to 61,113.70, 91,670.62 and 16,740.83

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Solution

The fourth proportional to 61,113.70, 91,670.62 and 16,740.83 is: 25,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,113.70 : 91,670.62 = 16,740.83 : x
  2. Step 2: Convert to fraction form
    61,113.70/91,670.62 = 16,740.83/x
  3. Step 3: Cross multiply
    61,113.70x = 91,670.62 × 16,740.83
  4. Step 4: Simplify right side
    61,113.70x = 1,534,642,484.13
  5. Step 5: Solve for x
    x = 1,534,642,484.13/61,113.70
  6. Step 6: Final answer
    x = 25,111.27

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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.