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Finding the Fourth Proportional to 15,116.64, 22,666.64 and 5,624.16

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Solution

The fourth proportional to 15,116.64, 22,666.64 and 5,624.16 is: 8,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116.64 : 22,666.64 = 5,624.16 : x
  2. Step 2: Convert to fraction form
    15,116.64/22,666.64 = 5,624.16/x
  3. Step 3: Cross multiply
    15,116.64x = 22,666.64 × 5,624.16
  4. Step 4: Simplify right side
    15,116.64x = 127,480,810.02
  5. Step 5: Solve for x
    x = 127,480,810.02/15,116.64
  6. Step 6: Final answer
    x = 8,433.14

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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.