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Finding the Fourth Proportional to 15,328.17, 22,990.64 and 7,006.10

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Solution

The fourth proportional to 15,328.17, 22,990.64 and 7,006.10 is: 10,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.17 : 22,990.64 = 7,006.10 : x
  2. Step 2: Convert to fraction form
    15,328.17/22,990.64 = 7,006.10/x
  3. Step 3: Cross multiply
    15,328.17x = 22,990.64 × 7,006.10
  4. Step 4: Simplify right side
    15,328.17x = 161,074,572.92
  5. Step 5: Solve for x
    x = 161,074,572.92/15,328.17
  6. Step 6: Final answer
    x = 10,508.40

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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.