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Finding the Fourth Proportional to 7,509.66, 10,363.14 and 4,152.38

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Solution

The fourth proportional to 7,509.66, 10,363.14 and 4,152.38 is: 5,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.66 : 10,363.14 = 4,152.38 : x
  2. Step 2: Convert to fraction form
    7,509.66/10,363.14 = 4,152.38/x
  3. Step 3: Cross multiply
    7,509.66x = 10,363.14 × 4,152.38
  4. Step 4: Simplify right side
    7,509.66x = 43,031,674.51
  5. Step 5: Solve for x
    x = 43,031,674.51/7,509.66
  6. Step 6: Final answer
    x = 5,730.18

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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.