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Finding the Fourth Proportional to 7,036.76, 9,707.79 and 4,649.99

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Solution

The fourth proportional to 7,036.76, 9,707.79 and 4,649.99 is: 6,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036.76 : 9,707.79 = 4,649.99 : x
  2. Step 2: Convert to fraction form
    7,036.76/9,707.79 = 4,649.99/x
  3. Step 3: Cross multiply
    7,036.76x = 9,707.79 × 4,649.99
  4. Step 4: Simplify right side
    7,036.76x = 45,141,077.88
  5. Step 5: Solve for x
    x = 45,141,077.88/7,036.76
  6. Step 6: Final answer
    x = 6,415.04

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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.