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Finding the Fourth Proportional to 7,030.38, 9,571.92 and 7,008.51

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Solution

The fourth proportional to 7,030.38, 9,571.92 and 7,008.51 is: 9,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.38 : 9,571.92 = 7,008.51 : x
  2. Step 2: Convert to fraction form
    7,030.38/9,571.92 = 7,008.51/x
  3. Step 3: Cross multiply
    7,030.38x = 9,571.92 × 7,008.51
  4. Step 4: Simplify right side
    7,030.38x = 67,084,897.04
  5. Step 5: Solve for x
    x = 67,084,897.04/7,030.38
  6. Step 6: Final answer
    x = 9,542.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.