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Finding the Fourth Proportional to 14,020,237.60, 19,681,416.80 and 14,020,237.60

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Solution

The fourth proportional to 14,020,237.60, 19,681,416.80 and 14,020,237.60 is: 19,681,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,237.60 : 19,681,416.80 = 14,020,237.60 : x
  2. Step 2: Convert to fraction form
    14,020,237.60/19,681,416.80 = 14,020,237.60/x
  3. Step 3: Cross multiply
    14,020,237.60x = 19,681,416.80 × 14,020,237.60
  4. Step 4: Simplify right side
    14,020,237.60x = 275,938,139,840,631.69
  5. Step 5: Solve for x
    x = 275,938,139,840,631.69/14,020,237.60
  6. Step 6: Final answer
    x = 19,681,416.80

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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.