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Finding the Fourth Proportional to 10,573.90, 15,885.16 and 7,461.08

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Solution

The fourth proportional to 10,573.90, 15,885.16 and 7,461.08 is: 11,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,573.90 : 15,885.16 = 7,461.08 : x
  2. Step 2: Convert to fraction form
    10,573.90/15,885.16 = 7,461.08/x
  3. Step 3: Cross multiply
    10,573.90x = 15,885.16 × 7,461.08
  4. Step 4: Simplify right side
    10,573.90x = 118,520,449.57
  5. Step 5: Solve for x
    x = 118,520,449.57/10,573.90
  6. Step 6: Final answer
    x = 11,208.77

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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.