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Finding the Fourth Proportional to 6,357.84, 9,526.20 and 4,499.76

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Solution

The fourth proportional to 6,357.84, 9,526.20 and 4,499.76 is: 6,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.84 : 9,526.20 = 4,499.76 : x
  2. Step 2: Convert to fraction form
    6,357.84/9,526.20 = 4,499.76/x
  3. Step 3: Cross multiply
    6,357.84x = 9,526.20 × 4,499.76
  4. Step 4: Simplify right side
    6,357.84x = 42,865,613.71
  5. Step 5: Solve for x
    x = 42,865,613.71/6,357.84
  6. Step 6: Final answer
    x = 6,742.17

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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.