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Finding the Fourth Proportional to 7,663.58, 10,575.83 and 4,679.00

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Solution

The fourth proportional to 7,663.58, 10,575.83 and 4,679.00 is: 6,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.58 : 10,575.83 = 4,679.00 : x
  2. Step 2: Convert to fraction form
    7,663.58/10,575.83 = 4,679.00/x
  3. Step 3: Cross multiply
    7,663.58x = 10,575.83 × 4,679.00
  4. Step 4: Simplify right side
    7,663.58x = 49,484,307.05
  5. Step 5: Solve for x
    x = 49,484,307.05/7,663.58
  6. Step 6: Final answer
    x = 6,457.08

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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.