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Finding the Fourth Proportional to 56,482.56, 77,957.28 and 32,613.12

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Solution

The fourth proportional to 56,482.56, 77,957.28 and 32,613.12 is: 45,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.56 : 77,957.28 = 32,613.12 : x
  2. Step 2: Convert to fraction form
    56,482.56/77,957.28 = 32,613.12/x
  3. Step 3: Cross multiply
    56,482.56x = 77,957.28 × 32,613.12
  4. Step 4: Simplify right side
    56,482.56x = 2,542,430,127.51
  5. Step 5: Solve for x
    x = 2,542,430,127.51/56,482.56
  6. Step 6: Final answer
    x = 45,012.66

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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.