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Finding the Fourth Proportional to 64,813.08, 89,442.02 and 35,005.08

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Solution

The fourth proportional to 64,813.08, 89,442.02 and 35,005.08 is: 48,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,813.08 : 89,442.02 = 35,005.08 : x
  2. Step 2: Convert to fraction form
    64,813.08/89,442.02 = 35,005.08/x
  3. Step 3: Cross multiply
    64,813.08x = 89,442.02 × 35,005.08
  4. Step 4: Simplify right side
    64,813.08x = 3,130,925,065.46
  5. Step 5: Solve for x
    x = 3,130,925,065.46/64,813.08
  6. Step 6: Final answer
    x = 48,306.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.