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Finding the Fourth Proportional to 57,055.98, 85,585.14 and 17,613.12

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Solution

The fourth proportional to 57,055.98, 85,585.14 and 17,613.12 is: 26,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.98 : 85,585.14 = 17,613.12 : x
  2. Step 2: Convert to fraction form
    57,055.98/85,585.14 = 17,613.12/x
  3. Step 3: Cross multiply
    57,055.98x = 85,585.14 × 17,613.12
  4. Step 4: Simplify right side
    57,055.98x = 1,507,421,341.04
  5. Step 5: Solve for x
    x = 1,507,421,341.04/57,055.98
  6. Step 6: Final answer
    x = 26,420.04

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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.