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Finding the Fourth Proportional to 7,492.77, 11,160.59 and 7,113.69

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Solution

The fourth proportional to 7,492.77, 11,160.59 and 7,113.69 is: 10,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.77 : 11,160.59 = 7,113.69 : x
  2. Step 2: Convert to fraction form
    7,492.77/11,160.59 = 7,113.69/x
  3. Step 3: Cross multiply
    7,492.77x = 11,160.59 × 7,113.69
  4. Step 4: Simplify right side
    7,492.77x = 79,392,941.91
  5. Step 5: Solve for x
    x = 79,392,941.91/7,492.77
  6. Step 6: Final answer
    x = 10,595.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.