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Finding the Fourth Proportional to 56,506.68, 77,989.96 and 37,386.84

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Solution

The fourth proportional to 56,506.68, 77,989.96 and 37,386.84 is: 51,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,506.68 : 77,989.96 = 37,386.84 : x
  2. Step 2: Convert to fraction form
    56,506.68/77,989.96 = 37,386.84/x
  3. Step 3: Cross multiply
    56,506.68x = 77,989.96 × 37,386.84
  4. Step 4: Simplify right side
    56,506.68x = 2,915,798,156.13
  5. Step 5: Solve for x
    x = 2,915,798,156.13/56,506.68
  6. Step 6: Final answer
    x = 51,600.95

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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.