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Finding the Fourth Proportional to 7,070.04, 10,605 and 6,020.28

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Solution

The fourth proportional to 7,070.04, 10,605 and 6,020.28 is: 9,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.04 : 10,605 = 6,020.28 : x
  2. Step 2: Convert to fraction form
    7,070.04/10,605 = 6,020.28/x
  3. Step 3: Cross multiply
    7,070.04x = 10,605 × 6,020.28
  4. Step 4: Simplify right side
    7,070.04x = 63,845,069.40
  5. Step 5: Solve for x
    x = 63,845,069.40/7,070.04
  6. Step 6: Final answer
    x = 9,030.37

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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.