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Finding the Fourth Proportional to 7,041.52, 9,715.71 and 4,056.67

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Solution

The fourth proportional to 7,041.52, 9,715.71 and 4,056.67 is: 5,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.52 : 9,715.71 = 4,056.67 : x
  2. Step 2: Convert to fraction form
    7,041.52/9,715.71 = 4,056.67/x
  3. Step 3: Cross multiply
    7,041.52x = 9,715.71 × 4,056.67
  4. Step 4: Simplify right side
    7,041.52x = 39,413,429.29
  5. Step 5: Solve for x
    x = 39,413,429.29/7,041.52
  6. Step 6: Final answer
    x = 5,597.29

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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.