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Finding the Fourth Proportional to 55,363.99, 76,445.84 and 44,574.59

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Solution

The fourth proportional to 55,363.99, 76,445.84 and 44,574.59 is: 61,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.99 : 76,445.84 = 44,574.59 : x
  2. Step 2: Convert to fraction form
    55,363.99/76,445.84 = 44,574.59/x
  3. Step 3: Cross multiply
    55,363.99x = 76,445.84 × 44,574.59
  4. Step 4: Simplify right side
    55,363.99x = 3,407,541,975.21
  5. Step 5: Solve for x
    x = 3,407,541,975.21/55,363.99
  6. Step 6: Final answer
    x = 61,547.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.