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Finding the Fourth Proportional to 58,497.75, 87,755.76 and 19,045.58

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Solution

The fourth proportional to 58,497.75, 87,755.76 and 19,045.58 is: 28,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,497.75 : 87,755.76 = 19,045.58 : x
  2. Step 2: Convert to fraction form
    58,497.75/87,755.76 = 19,045.58/x
  3. Step 3: Cross multiply
    58,497.75x = 87,755.76 × 19,045.58
  4. Step 4: Simplify right side
    58,497.75x = 1,671,358,908.76
  5. Step 5: Solve for x
    x = 1,671,358,908.76/58,497.75
  6. Step 6: Final answer
    x = 28,571.34

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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.