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Finding the Fourth Proportional to 58,230.80, 87,411.90 and 38,547.80

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Solution

The fourth proportional to 58,230.80, 87,411.90 and 38,547.80 is: 57,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,230.80 : 87,411.90 = 38,547.80 : x
  2. Step 2: Convert to fraction form
    58,230.80/87,411.90 = 38,547.80/x
  3. Step 3: Cross multiply
    58,230.80x = 87,411.90 × 38,547.80
  4. Step 4: Simplify right side
    58,230.80x = 3,369,536,438.82
  5. Step 5: Solve for x
    x = 3,369,536,438.82/58,230.80
  6. Step 6: Final answer
    x = 57,865.19

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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.