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Finding the Fourth Proportional to 58,602.55, 87,863.80 and 28,191.64

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Solution

The fourth proportional to 58,602.55, 87,863.80 and 28,191.64 is: 42,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,602.55 : 87,863.80 = 28,191.64 : x
  2. Step 2: Convert to fraction form
    58,602.55/87,863.80 = 28,191.64/x
  3. Step 3: Cross multiply
    58,602.55x = 87,863.80 × 28,191.64
  4. Step 4: Simplify right side
    58,602.55x = 2,477,024,618.63
  5. Step 5: Solve for x
    x = 2,477,024,618.63/58,602.55
  6. Step 6: Final answer
    x = 42,268.21

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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.