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Finding the Fourth Proportional to 32,088.65, 48,139.40 and 9,901.20

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Solution

The fourth proportional to 32,088.65, 48,139.40 and 9,901.20 is: 14,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,088.65 : 48,139.40 = 9,901.20 : x
  2. Step 2: Convert to fraction form
    32,088.65/48,139.40 = 9,901.20/x
  3. Step 3: Cross multiply
    32,088.65x = 48,139.40 × 9,901.20
  4. Step 4: Simplify right side
    32,088.65x = 476,637,570.69
  5. Step 5: Solve for x
    x = 476,637,570.69/32,088.65
  6. Step 6: Final answer
    x = 14,853.77

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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.