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Finding the Fourth Proportional to 7,003.52, 10,507.12 and 2,386.48

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Solution

The fourth proportional to 7,003.52, 10,507.12 and 2,386.48 is: 3,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.52 : 10,507.12 = 2,386.48 : x
  2. Step 2: Convert to fraction form
    7,003.52/10,507.12 = 2,386.48/x
  3. Step 3: Cross multiply
    7,003.52x = 10,507.12 × 2,386.48
  4. Step 4: Simplify right side
    7,003.52x = 25,075,031.74
  5. Step 5: Solve for x
    x = 25,075,031.74/7,003.52
  6. Step 6: Final answer
    x = 3,580.35

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1.5x scale

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.