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Finding the Fourth Proportional to 56,488.77, 77,953.95 and 32,615.01

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Solution

The fourth proportional to 56,488.77, 77,953.95 and 32,615.01 is: 45,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.77 : 77,953.95 = 32,615.01 : x
  2. Step 2: Convert to fraction form
    56,488.77/77,953.95 = 32,615.01/x
  3. Step 3: Cross multiply
    56,488.77x = 77,953.95 × 32,615.01
  4. Step 4: Simplify right side
    56,488.77x = 2,542,468,858.79
  5. Step 5: Solve for x
    x = 2,542,468,858.79/56,488.77
  6. Step 6: Final answer
    x = 45,008.39

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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.