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Finding the Fourth Proportional to 37,483.90, 56,225.85 and 9,781.90

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Solution

The fourth proportional to 37,483.90, 56,225.85 and 9,781.90 is: 14,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,483.90 : 56,225.85 = 9,781.90 : x
  2. Step 2: Convert to fraction form
    37,483.90/56,225.85 = 9,781.90/x
  3. Step 3: Cross multiply
    37,483.90x = 56,225.85 × 9,781.90
  4. Step 4: Simplify right side
    37,483.90x = 549,995,642.12
  5. Step 5: Solve for x
    x = 549,995,642.12/37,483.90
  6. Step 6: Final answer
    x = 14,672.85

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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.