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Finding the Fourth Proportional to 7,398.66, 10,210.13 and 4,418.50

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Solution

The fourth proportional to 7,398.66, 10,210.13 and 4,418.50 is: 6,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.66 : 10,210.13 = 4,418.50 : x
  2. Step 2: Convert to fraction form
    7,398.66/10,210.13 = 4,418.50/x
  3. Step 3: Cross multiply
    7,398.66x = 10,210.13 × 4,418.50
  4. Step 4: Simplify right side
    7,398.66x = 45,113,459.41
  5. Step 5: Solve for x
    x = 45,113,459.41/7,398.66
  6. Step 6: Final answer
    x = 6,097.52

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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.