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Finding the Fourth Proportional to 37,478.95, 56,218.43 and 9,776.95

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Solution

The fourth proportional to 37,478.95, 56,218.43 and 9,776.95 is: 14,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,478.95 : 56,218.43 = 9,776.95 : x
  2. Step 2: Convert to fraction form
    37,478.95/56,218.43 = 9,776.95/x
  3. Step 3: Cross multiply
    37,478.95x = 56,218.43 × 9,776.95
  4. Step 4: Simplify right side
    37,478.95x = 549,644,951.82
  5. Step 5: Solve for x
    x = 549,644,951.82/37,478.95
  6. Step 6: Final answer
    x = 14,665.43

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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.