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Finding the Fourth Proportional to 13,475.16, 18,595.02 and 7,506.60

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Solution

The fourth proportional to 13,475.16, 18,595.02 and 7,506.60 is: 10,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.16 : 18,595.02 = 7,506.60 : x
  2. Step 2: Convert to fraction form
    13,475.16/18,595.02 = 7,506.60/x
  3. Step 3: Cross multiply
    13,475.16x = 18,595.02 × 7,506.60
  4. Step 4: Simplify right side
    13,475.16x = 139,585,377.13
  5. Step 5: Solve for x
    x = 139,585,377.13/13,475.16
  6. Step 6: Final answer
    x = 10,358.72

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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.