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Finding the Fourth Proportional to 27,216,928.80, 38,154,088.80 and 27,216,928.80

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Solution

The fourth proportional to 27,216,928.80, 38,154,088.80 and 27,216,928.80 is: 38,154,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216,928.80 : 38,154,088.80 = 27,216,928.80 : x
  2. Step 2: Convert to fraction form
    27,216,928.80/38,154,088.80 = 27,216,928.80/x
  3. Step 3: Cross multiply
    27,216,928.80x = 38,154,088.80 × 27,216,928.80
  4. Step 4: Simplify right side
    27,216,928.80x = 1,038,437,118,298,477.38
  5. Step 5: Solve for x
    x = 1,038,437,118,298,477.38/27,216,928.80
  6. Step 6: Final answer
    x = 38,154,088.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.