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Finding the Fourth Proportional to 58,503.64, 87,764.56 and 19,051.58

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Solution

The fourth proportional to 58,503.64, 87,764.56 and 19,051.58 is: 28,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,503.64 : 87,764.56 = 19,051.58 : x
  2. Step 2: Convert to fraction form
    58,503.64/87,764.56 = 19,051.58/x
  3. Step 3: Cross multiply
    58,503.64x = 87,764.56 × 19,051.58
  4. Step 4: Simplify right side
    58,503.64x = 1,672,053,536.00
  5. Step 5: Solve for x
    x = 1,672,053,536.00/58,503.64
  6. Step 6: Final answer
    x = 28,580.33

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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.