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Finding the Fourth Proportional to 32,345.72, 48,518.58 and 8,972.16

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Solution

The fourth proportional to 32,345.72, 48,518.58 and 8,972.16 is: 13,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,345.72 : 48,518.58 = 8,972.16 : x
  2. Step 2: Convert to fraction form
    32,345.72/48,518.58 = 8,972.16/x
  3. Step 3: Cross multiply
    32,345.72x = 48,518.58 × 8,972.16
  4. Step 4: Simplify right side
    32,345.72x = 435,316,263.97
  5. Step 5: Solve for x
    x = 435,316,263.97/32,345.72
  6. Step 6: Final answer
    x = 13,458.23

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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.