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Finding the Fourth Proportional to 64,007.20, 96,010.80 and 52,926.40

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Solution

The fourth proportional to 64,007.20, 96,010.80 and 52,926.40 is: 79,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.20 : 96,010.80 = 52,926.40 : x
  2. Step 2: Convert to fraction form
    64,007.20/96,010.80 = 52,926.40/x
  3. Step 3: Cross multiply
    64,007.20x = 96,010.80 × 52,926.40
  4. Step 4: Simplify right side
    64,007.20x = 5,081,506,005.12
  5. Step 5: Solve for x
    x = 5,081,506,005.12/64,007.20
  6. Step 6: Final answer
    x = 79,389.60

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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.