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Finding the Fourth Proportional to 58,030.35, 79,560.35 and 56,980.59

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Solution

The fourth proportional to 58,030.35, 79,560.35 and 56,980.59 is: 78,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,030.35 : 79,560.35 = 56,980.59 : x
  2. Step 2: Convert to fraction form
    58,030.35/79,560.35 = 56,980.59/x
  3. Step 3: Cross multiply
    58,030.35x = 79,560.35 × 56,980.59
  4. Step 4: Simplify right side
    58,030.35x = 4,533,395,683.61
  5. Step 5: Solve for x
    x = 4,533,395,683.61/58,030.35
  6. Step 6: Final answer
    x = 78,121.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.