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Finding the Fourth Proportional to 58,853.78, 88,252.92 and 21,387.50

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Solution

The fourth proportional to 58,853.78, 88,252.92 and 21,387.50 is: 32,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,853.78 : 88,252.92 = 21,387.50 : x
  2. Step 2: Convert to fraction form
    58,853.78/88,252.92 = 21,387.50/x
  3. Step 3: Cross multiply
    58,853.78x = 88,252.92 × 21,387.50
  4. Step 4: Simplify right side
    58,853.78x = 1,887,509,326.50
  5. Step 5: Solve for x
    x = 1,887,509,326.50/58,853.78
  6. Step 6: Final answer
    x = 32,071.17

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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.