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Finding the Fourth Proportional to 61,071.21, 91,471.47 and 46,927.12

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Solution

The fourth proportional to 61,071.21, 91,471.47 and 46,927.12 is: 70,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,071.21 : 91,471.47 = 46,927.12 : x
  2. Step 2: Convert to fraction form
    61,071.21/91,471.47 = 46,927.12/x
  3. Step 3: Cross multiply
    61,071.21x = 91,471.47 × 46,927.12
  4. Step 4: Simplify right side
    61,071.21x = 4,292,492,649.27
  5. Step 5: Solve for x
    x = 4,292,492,649.27/61,071.21
  6. Step 6: Final answer
    x = 70,286.68

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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.