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Finding the Fourth Proportional to 6,572.79, 9,070.47 and 4,214.94

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Solution

The fourth proportional to 6,572.79, 9,070.47 and 4,214.94 is: 5,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.79 : 9,070.47 = 4,214.94 : x
  2. Step 2: Convert to fraction form
    6,572.79/9,070.47 = 4,214.94/x
  3. Step 3: Cross multiply
    6,572.79x = 9,070.47 × 4,214.94
  4. Step 4: Simplify right side
    6,572.79x = 38,231,437.00
  5. Step 5: Solve for x
    x = 38,231,437.00/6,572.79
  6. Step 6: Final answer
    x = 5,816.63

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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.