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Finding the Fourth Proportional to 58,750.60, 88,125.90 and 19,313.80

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Solution

The fourth proportional to 58,750.60, 88,125.90 and 19,313.80 is: 28,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,750.60 : 88,125.90 = 19,313.80 : x
  2. Step 2: Convert to fraction form
    58,750.60/88,125.90 = 19,313.80/x
  3. Step 3: Cross multiply
    58,750.60x = 88,125.90 × 19,313.80
  4. Step 4: Simplify right side
    58,750.60x = 1,702,046,007.42
  5. Step 5: Solve for x
    x = 1,702,046,007.42/58,750.60
  6. Step 6: Final answer
    x = 28,970.70

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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.