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Finding the Fourth Proportional to 28,346.51, 42,510.74 and 9,367.62

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Solution

The fourth proportional to 28,346.51, 42,510.74 and 9,367.62 is: 14,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.51 : 42,510.74 = 9,367.62 : x
  2. Step 2: Convert to fraction form
    28,346.51/42,510.74 = 9,367.62/x
  3. Step 3: Cross multiply
    28,346.51x = 42,510.74 × 9,367.62
  4. Step 4: Simplify right side
    28,346.51x = 398,224,411.40
  5. Step 5: Solve for x
    x = 398,224,411.40/28,346.51
  6. Step 6: Final answer
    x = 14,048.45

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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.