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Finding the Fourth Proportional to 7,503.57, 10,325.04 and 7,275.30

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Solution

The fourth proportional to 7,503.57, 10,325.04 and 7,275.30 is: 10,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.57 : 10,325.04 = 7,275.30 : x
  2. Step 2: Convert to fraction form
    7,503.57/10,325.04 = 7,275.30/x
  3. Step 3: Cross multiply
    7,503.57x = 10,325.04 × 7,275.30
  4. Step 4: Simplify right side
    7,503.57x = 75,117,763.51
  5. Step 5: Solve for x
    x = 75,117,763.51/7,503.57
  6. Step 6: Final answer
    x = 10,010.94

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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.