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Finding the Fourth Proportional to 63,503.74, 87,595.00 and 40,803.72

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Solution

The fourth proportional to 63,503.74, 87,595.00 and 40,803.72 is: 56,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,503.74 : 87,595.00 = 40,803.72 : x
  2. Step 2: Convert to fraction form
    63,503.74/87,595.00 = 40,803.72/x
  3. Step 3: Cross multiply
    63,503.74x = 87,595.00 × 40,803.72
  4. Step 4: Simplify right side
    63,503.74x = 3,574,201,422.91
  5. Step 5: Solve for x
    x = 3,574,201,422.91/63,503.74
  6. Step 6: Final answer
    x = 56,283.32

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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.