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Finding the Fourth Proportional to 58,846.61, 88,288.36 and 19,431.40

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Solution

The fourth proportional to 58,846.61, 88,288.36 and 19,431.40 is: 29,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,846.61 : 88,288.36 = 19,431.40 : x
  2. Step 2: Convert to fraction form
    58,846.61/88,288.36 = 19,431.40/x
  3. Step 3: Cross multiply
    58,846.61x = 88,288.36 × 19,431.40
  4. Step 4: Simplify right side
    58,846.61x = 1,715,566,341.35
  5. Step 5: Solve for x
    x = 1,715,566,341.35/58,846.61
  6. Step 6: Final answer
    x = 29,153.19

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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.