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Finding the Fourth Proportional to 37,445, 56,210.70 and 19,015.88

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Solution

The fourth proportional to 37,445, 56,210.70 and 19,015.88 is: 28,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,445 : 56,210.70 = 19,015.88 : x
  2. Step 2: Convert to fraction form
    37,445/56,210.70 = 19,015.88/x
  3. Step 3: Cross multiply
    37,445x = 56,210.70 × 19,015.88
  4. Step 4: Simplify right side
    37,445x = 1,068,895,925.92
  5. Step 5: Solve for x
    x = 1,068,895,925.92/37,445
  6. Step 6: Final answer
    x = 28,545.76

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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.