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Finding the Fourth Proportional to 58,611.52, 87,898.72 and 19,159.52

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Solution

The fourth proportional to 58,611.52, 87,898.72 and 19,159.52 is: 28,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.52 : 87,898.72 = 19,159.52 : x
  2. Step 2: Convert to fraction form
    58,611.52/87,898.72 = 19,159.52/x
  3. Step 3: Cross multiply
    58,611.52x = 87,898.72 × 19,159.52
  4. Step 4: Simplify right side
    58,611.52x = 1,684,097,283.81
  5. Step 5: Solve for x
    x = 1,684,097,283.81/58,611.52
  6. Step 6: Final answer
    x = 28,733.21

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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.