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Finding the Fourth Proportional to 9,877.95, 14,801.99 and 4,328.19

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Solution

The fourth proportional to 9,877.95, 14,801.99 and 4,328.19 is: 6,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.95 : 14,801.99 = 4,328.19 : x
  2. Step 2: Convert to fraction form
    9,877.95/14,801.99 = 4,328.19/x
  3. Step 3: Cross multiply
    9,877.95x = 14,801.99 × 4,328.19
  4. Step 4: Simplify right side
    9,877.95x = 64,065,803.46
  5. Step 5: Solve for x
    x = 64,065,803.46/9,877.95
  6. Step 6: Final answer
    x = 6,485.74

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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.