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Finding the Fourth Proportional to 58,946.70, 88,420.05 and 40,284.30

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Solution

The fourth proportional to 58,946.70, 88,420.05 and 40,284.30 is: 60,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,946.70 : 88,420.05 = 40,284.30 : x
  2. Step 2: Convert to fraction form
    58,946.70/88,420.05 = 40,284.30/x
  3. Step 3: Cross multiply
    58,946.70x = 88,420.05 × 40,284.30
  4. Step 4: Simplify right side
    58,946.70x = 3,561,939,820.22
  5. Step 5: Solve for x
    x = 3,561,939,820.22/58,946.70
  6. Step 6: Final answer
    x = 60,426.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.