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Finding the Fourth Proportional to 10,602.77, 15,895.04 and 4,358.88

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Solution

The fourth proportional to 10,602.77, 15,895.04 and 4,358.88 is: 6,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.77 : 15,895.04 = 4,358.88 : x
  2. Step 2: Convert to fraction form
    10,602.77/15,895.04 = 4,358.88/x
  3. Step 3: Cross multiply
    10,602.77x = 15,895.04 × 4,358.88
  4. Step 4: Simplify right side
    10,602.77x = 69,284,550.16
  5. Step 5: Solve for x
    x = 69,284,550.16/10,602.77
  6. Step 6: Final answer
    x = 6,534.57

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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.