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Finding the Fourth Proportional to 7,108.76, 10,668.95 and 5,030.77

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Solution

The fourth proportional to 7,108.76, 10,668.95 and 5,030.77 is: 7,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.76 : 10,668.95 = 5,030.77 : x
  2. Step 2: Convert to fraction form
    7,108.76/10,668.95 = 5,030.77/x
  3. Step 3: Cross multiply
    7,108.76x = 10,668.95 × 5,030.77
  4. Step 4: Simplify right side
    7,108.76x = 53,672,981.77
  5. Step 5: Solve for x
    x = 53,672,981.77/7,108.76
  6. Step 6: Final answer
    x = 7,550.26

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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.