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Finding the Fourth Proportional to 58,805.52, 88,219.32 and 19,390.32

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Solution

The fourth proportional to 58,805.52, 88,219.32 and 19,390.32 is: 29,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,805.52 : 88,219.32 = 19,390.32 : x
  2. Step 2: Convert to fraction form
    58,805.52/88,219.32 = 19,390.32/x
  3. Step 3: Cross multiply
    58,805.52x = 88,219.32 × 19,390.32
  4. Step 4: Simplify right side
    58,805.52x = 1,710,600,844.98
  5. Step 5: Solve for x
    x = 1,710,600,844.98/58,805.52
  6. Step 6: Final answer
    x = 29,089.12

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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.