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Finding the Fourth Proportional to 58,602.40, 87,946.80 and 38,874.40

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Solution

The fourth proportional to 58,602.40, 87,946.80 and 38,874.40 is: 58,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,602.40 : 87,946.80 = 38,874.40 : x
  2. Step 2: Convert to fraction form
    58,602.40/87,946.80 = 38,874.40/x
  3. Step 3: Cross multiply
    58,602.40x = 87,946.80 × 38,874.40
  4. Step 4: Simplify right side
    58,602.40x = 3,418,879,081.92
  5. Step 5: Solve for x
    x = 3,418,879,081.92/58,602.40
  6. Step 6: Final answer
    x = 58,340.26

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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.