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Finding the Fourth Proportional to 60,009.60, 90,014.40 and 48,345.60

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Solution

The fourth proportional to 60,009.60, 90,014.40 and 48,345.60 is: 72,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,009.60 : 90,014.40 = 48,345.60 : x
  2. Step 2: Convert to fraction form
    60,009.60/90,014.40 = 48,345.60/x
  3. Step 3: Cross multiply
    60,009.60x = 90,014.40 × 48,345.60
  4. Step 4: Simplify right side
    60,009.60x = 4,351,800,176.64
  5. Step 5: Solve for x
    x = 4,351,800,176.64/60,009.60
  6. Step 6: Final answer
    x = 72,518.40

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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.