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Finding the Fourth Proportional to 15,953.83, 22,015.82 and 8,880.10

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Solution

The fourth proportional to 15,953.83, 22,015.82 and 8,880.10 is: 12,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.83 : 22,015.82 = 8,880.10 : x
  2. Step 2: Convert to fraction form
    15,953.83/22,015.82 = 8,880.10/x
  3. Step 3: Cross multiply
    15,953.83x = 22,015.82 × 8,880.10
  4. Step 4: Simplify right side
    15,953.83x = 195,502,683.18
  5. Step 5: Solve for x
    x = 195,502,683.18/15,953.83
  6. Step 6: Final answer
    x = 12,254.28

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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.