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Finding the Fourth Proportional to 7,953.02, 10,977.18 and 5,436.14

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Solution

The fourth proportional to 7,953.02, 10,977.18 and 5,436.14 is: 7,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.02 : 10,977.18 = 5,436.14 : x
  2. Step 2: Convert to fraction form
    7,953.02/10,977.18 = 5,436.14/x
  3. Step 3: Cross multiply
    7,953.02x = 10,977.18 × 5,436.14
  4. Step 4: Simplify right side
    7,953.02x = 59,673,487.29
  5. Step 5: Solve for x
    x = 59,673,487.29/7,953.02
  6. Step 6: Final answer
    x = 7,503.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.