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Finding the Fourth Proportional to 51,066.07, 70,471.17 and 28,710.07

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Solution

The fourth proportional to 51,066.07, 70,471.17 and 28,710.07 is: 39,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,066.07 : 70,471.17 = 28,710.07 : x
  2. Step 2: Convert to fraction form
    51,066.07/70,471.17 = 28,710.07/x
  3. Step 3: Cross multiply
    51,066.07x = 70,471.17 × 28,710.07
  4. Step 4: Simplify right side
    51,066.07x = 2,023,232,223.68
  5. Step 5: Solve for x
    x = 2,023,232,223.68/51,066.07
  6. Step 6: Final answer
    x = 39,619.89

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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.