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Finding the Fourth Proportional to 57,191.04, 85,668.48 and 42,416.64

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Solution

The fourth proportional to 57,191.04, 85,668.48 and 42,416.64 is: 63,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191.04 : 85,668.48 = 42,416.64 : x
  2. Step 2: Convert to fraction form
    57,191.04/85,668.48 = 42,416.64/x
  3. Step 3: Cross multiply
    57,191.04x = 85,668.48 × 42,416.64
  4. Step 4: Simplify right side
    57,191.04x = 3,633,769,075.51
  5. Step 5: Solve for x
    x = 3,633,769,075.51/57,191.04
  6. Step 6: Final answer
    x = 63,537.38

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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.