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Finding the Fourth Proportional to 60,959.69, 91,442.60 and 19,409.93

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Solution

The fourth proportional to 60,959.69, 91,442.60 and 19,409.93 is: 29,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,959.69 : 91,442.60 = 19,409.93 : x
  2. Step 2: Convert to fraction form
    60,959.69/91,442.60 = 19,409.93/x
  3. Step 3: Cross multiply
    60,959.69x = 91,442.60 × 19,409.93
  4. Step 4: Simplify right side
    60,959.69x = 1,774,894,253.67
  5. Step 5: Solve for x
    x = 1,774,894,253.67/60,959.69
  6. Step 6: Final answer
    x = 29,115.87

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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.