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Finding the Fourth Proportional to 7,655.59, 10,568.70 and 4,827.07

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Solution

The fourth proportional to 7,655.59, 10,568.70 and 4,827.07 is: 6,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.59 : 10,568.70 = 4,827.07 : x
  2. Step 2: Convert to fraction form
    7,655.59/10,568.70 = 4,827.07/x
  3. Step 3: Cross multiply
    7,655.59x = 10,568.70 × 4,827.07
  4. Step 4: Simplify right side
    7,655.59x = 51,015,854.71
  5. Step 5: Solve for x
    x = 51,015,854.71/7,655.59
  6. Step 6: Final answer
    x = 6,663.87

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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.