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Finding the Fourth Proportional to 58,666.40, 87,999.60 and 52,829.60

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Solution

The fourth proportional to 58,666.40, 87,999.60 and 52,829.60 is: 79,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666.40 : 87,999.60 = 52,829.60 : x
  2. Step 2: Convert to fraction form
    58,666.40/87,999.60 = 52,829.60/x
  3. Step 3: Cross multiply
    58,666.40x = 87,999.60 × 52,829.60
  4. Step 4: Simplify right side
    58,666.40x = 4,648,983,668.16
  5. Step 5: Solve for x
    x = 4,648,983,668.16/58,666.40
  6. Step 6: Final answer
    x = 79,244.40

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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.