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Finding the Fourth Proportional to 58,663.70, 88,000.38 and 19,219.94

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Solution

The fourth proportional to 58,663.70, 88,000.38 and 19,219.94 is: 28,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,663.70 : 88,000.38 = 19,219.94 : x
  2. Step 2: Convert to fraction form
    58,663.70/88,000.38 = 19,219.94/x
  3. Step 3: Cross multiply
    58,663.70x = 88,000.38 × 19,219.94
  4. Step 4: Simplify right side
    58,663.70x = 1,691,362,023.58
  5. Step 5: Solve for x
    x = 1,691,362,023.58/58,663.70
  6. Step 6: Final answer
    x = 28,831.49

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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.