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Finding the Fourth Proportional to 58,483.50, 87,734.36 and 19,031.30

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Solution

The fourth proportional to 58,483.50, 87,734.36 and 19,031.30 is: 28,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,483.50 : 87,734.36 = 19,031.30 : x
  2. Step 2: Convert to fraction form
    58,483.50/87,734.36 = 19,031.30/x
  3. Step 3: Cross multiply
    58,483.50x = 87,734.36 × 19,031.30
  4. Step 4: Simplify right side
    58,483.50x = 1,669,698,925.47
  5. Step 5: Solve for x
    x = 1,669,698,925.47/58,483.50
  6. Step 6: Final answer
    x = 28,549.91

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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.