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Finding the Fourth Proportional to 10,594.32, 15,880.08 and 6,899.28

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Solution

The fourth proportional to 10,594.32, 15,880.08 and 6,899.28 is: 10,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,594.32 : 15,880.08 = 6,899.28 : x
  2. Step 2: Convert to fraction form
    10,594.32/15,880.08 = 6,899.28/x
  3. Step 3: Cross multiply
    10,594.32x = 15,880.08 × 6,899.28
  4. Step 4: Simplify right side
    10,594.32x = 109,561,118.34
  5. Step 5: Solve for x
    x = 109,561,118.34/10,594.32
  6. Step 6: Final answer
    x = 10,341.50

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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.