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Finding the Fourth Proportional to 56,146.77, 77,412.51 and 35,970.48

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Solution

The fourth proportional to 56,146.77, 77,412.51 and 35,970.48 is: 49,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,146.77 : 77,412.51 = 35,970.48 : x
  2. Step 2: Convert to fraction form
    56,146.77/77,412.51 = 35,970.48/x
  3. Step 3: Cross multiply
    56,146.77x = 77,412.51 × 35,970.48
  4. Step 4: Simplify right side
    56,146.77x = 2,784,565,142.70
  5. Step 5: Solve for x
    x = 2,784,565,142.70/56,146.77
  6. Step 6: Final answer
    x = 49,594.40

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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.