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Finding the Fourth Proportional to 7,459.02, 10,234.64 and 7,389.36

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Solution

The fourth proportional to 7,459.02, 10,234.64 and 7,389.36 is: 10,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.02 : 10,234.64 = 7,389.36 : x
  2. Step 2: Convert to fraction form
    7,459.02/10,234.64 = 7,389.36/x
  3. Step 3: Cross multiply
    7,459.02x = 10,234.64 × 7,389.36
  4. Step 4: Simplify right side
    7,459.02x = 75,627,402.48
  5. Step 5: Solve for x
    x = 75,627,402.48/7,459.02
  6. Step 6: Final answer
    x = 10,139.05

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.