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Finding the Fourth Proportional to 7,159.59, 10,734.51 and 4,528.71

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Solution

The fourth proportional to 7,159.59, 10,734.51 and 4,528.71 is: 6,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.59 : 10,734.51 = 4,528.71 : x
  2. Step 2: Convert to fraction form
    7,159.59/10,734.51 = 4,528.71/x
  3. Step 3: Cross multiply
    7,159.59x = 10,734.51 × 4,528.71
  4. Step 4: Simplify right side
    7,159.59x = 48,613,482.78
  5. Step 5: Solve for x
    x = 48,613,482.78/7,159.59
  6. Step 6: Final answer
    x = 6,789.98

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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.