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Finding the Fourth Proportional to 19,574,443.40, 27,460,907.80 and 19,574,443.40

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Solution

The fourth proportional to 19,574,443.40, 27,460,907.80 and 19,574,443.40 is: 27,460,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574,443.40 : 27,460,907.80 = 19,574,443.40 : x
  2. Step 2: Convert to fraction form
    19,574,443.40/27,460,907.80 = 19,574,443.40/x
  3. Step 3: Cross multiply
    19,574,443.40x = 27,460,907.80 × 19,574,443.40
  4. Step 4: Simplify right side
    19,574,443.40x = 537,531,985,443,718.50
  5. Step 5: Solve for x
    x = 537,531,985,443,718.50/19,574,443.40
  6. Step 6: Final answer
    x = 27,460,907.80

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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.