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Finding the Fourth Proportional to 7,295.32, 10,924.08 and 5,312.80

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Solution

The fourth proportional to 7,295.32, 10,924.08 and 5,312.80 is: 7,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.32 : 10,924.08 = 5,312.80 : x
  2. Step 2: Convert to fraction form
    7,295.32/10,924.08 = 5,312.80/x
  3. Step 3: Cross multiply
    7,295.32x = 10,924.08 × 5,312.80
  4. Step 4: Simplify right side
    7,295.32x = 58,037,452.22
  5. Step 5: Solve for x
    x = 58,037,452.22/7,295.32
  6. Step 6: Final answer
    x = 7,955.44

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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.