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Finding the Fourth Proportional to 7,124.93, 10,689.54 and 5,048.93

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Solution

The fourth proportional to 7,124.93, 10,689.54 and 5,048.93 is: 7,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.93 : 10,689.54 = 5,048.93 : x
  2. Step 2: Convert to fraction form
    7,124.93/10,689.54 = 5,048.93/x
  3. Step 3: Cross multiply
    7,124.93x = 10,689.54 × 5,048.93
  4. Step 4: Simplify right side
    7,124.93x = 53,970,746.98
  5. Step 5: Solve for x
    x = 53,970,746.98/7,124.93
  6. Step 6: Final answer
    x = 7,574.92

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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.