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Finding the Fourth Proportional to 58,881.80, 88,322.70 and 52,430.60

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Solution

The fourth proportional to 58,881.80, 88,322.70 and 52,430.60 is: 78,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.80 : 88,322.70 = 52,430.60 : x
  2. Step 2: Convert to fraction form
    58,881.80/88,322.70 = 52,430.60/x
  3. Step 3: Cross multiply
    58,881.80x = 88,322.70 × 52,430.60
  4. Step 4: Simplify right side
    58,881.80x = 4,630,812,154.62
  5. Step 5: Solve for x
    x = 4,630,812,154.62/58,881.80
  6. Step 6: Final answer
    x = 78,645.90

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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.